{ "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-2026-33513", "tracking": { "current_release_date": "2026-03-26T00:49:32.393861Z", "generator": { "date": "2026-02-17T15:00:00Z", "engine": { "name": "V.E.L.M.A", "version": "1.7" } }, "id": "CVE-2026-33513", "initial_release_date": "2026-03-24T10:27:26.837414Z", "revision_history": [ { "date": "2026-03-24T10:27:26.837414Z", "number": "1", "summary": "CVE created.| Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (18).| Product Identifiers created (17).| References created (1).| CWES updated (1)." }, { "date": "2026-03-24T10:27:37.846374Z", "number": "2", "summary": "NCSC Score created." }, { "date": "2026-03-24T10:54:08.556374Z", "number": "3", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (1).| References created (1).| CWES updated (1)." }, { "date": "2026-03-24T10:54:12.998580Z", "number": "4", "summary": "NCSC Score updated." }, { "date": "2026-03-24T13:50:56.606280Z", "number": "5", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (1).| CWES updated (1)." }, { "date": "2026-03-24T13:51:06.547418Z", "number": "6", "summary": "NCSC Score updated." }, { "date": "2026-03-24T20:58:21.456207Z", "number": "7", "summary": "Unknown change." }, { "date": "2026-03-24T20:58:26.838791Z", "number": "8", "summary": "NCSC Score updated." }, { "date": "2026-03-24T21:37:22.474170Z", "number": "9", "summary": "Source connected.| CVE status created. (valid)| EPSS created." }, { "date": "2026-03-24T21:37:30.288057Z", "number": "10", "summary": "NCSC Score updated." }, { "date": "2026-03-25T01:00:31.038042Z", "number": "11", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (2).| CWES updated (1)." }, { "date": "2026-03-25T01:00:34.914986Z", "number": "12", "summary": "NCSC Score updated." }, { "date": "2026-03-25T18:26:37.603957Z", "number": "13", "summary": "Products connected (1).| Product Identifiers created (1).| Exploits created (1)." }, { "date": "2026-03-25T18:26:45.316824Z", "number": "14", "summary": "NCSC Score updated." }, { "date": "2026-03-25T21:50:06.215254Z", "number": "15", "summary": "References created (1)." }, { "date": "2026-03-26T00:49:18.950285Z", "number": "16", "summary": "References created (1)." } ], "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-2026-33513", "cwe": { "id": "CWE-22", "name": "Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')" }, "notes": [ { "category": "description", "text": "### Summary\nAn unauthenticated API endpoint (`APIName=locale`) concatenates user input into an `include` path with no canonicalization or whitelist. Path traversal is accepted, so arbitrary PHP files under the web root can be included. In our test this yielded confirmed file disclosure and code execution of existing PHP content (e.g., `view/about.php`), and it *can* escalate to RCE if an attacker can place or control a PHP file elsewhere in the tree. \n### Details\n- Entry point: `plugin/API/get.json.php` sets `$global['bypassSameDomainCheck']=1` and merges GET/POST/JSON into `$parameters` without authentication or API secret.\n- Handler: `plugin/API/API.php`, method `get_api_locale()` (lines ~5009–5023):\n ```php\n $parameters['language'] = strtolower($parameters['language']);\n $file = \"{$global['systemRootPath']}locale/{$parameters['language']}.php\";\n if (!file_exists($file)) { return new ApiObject(\"This language does not exists\"); }\n include $file;\n ```\n No validation is performed; `../` traversal is accepted.\n- Because `include` executes PHP, any reachable PHP file is executed in the web server context.\n\n### PoC\n1. Fetch an arbitrary PHP file (no auth):\n ```\n GET /plugin/API/get.json.php?APIName=locale&language=../view/about HTTP/1.1\n Host: \n ```\n Response returns the rendered About page HTML, proving traversal outside `locale/`.\n2. RCE with an attacker PHP file (any writable PHP path):\n ```\n GET /plugin/API/get.json.php?APIName=locale&language=../videos/locale/shell&x=whoami\n ```\n If `shell.php` contains ``, the response includes command output.\n\n### Impact\n- Unauthenticated file inclusion of arbitrary PHP files under the web root.\n- Confidential data leakage (e.g., configuration, secrets) via included PHP that renders output.\n- Potential RCE *if* any attacker-writable PHP file exists elsewhere (not confirmed in this build).\n- Affects any deployment with the API plugin enabled (default in docker-compose).\n\n### Mitigation\n- Reject path separators/dots and enforce a strict allowlist of locale slugs.\n- `realpath` the target and ensure it stays within `$systemRootPath/locale`.\n- Stop using `include` for translations; load data from vetted formats (JSON/array).\n- Add authentication (API secret/token) to the endpoint as a secondary control.", "title": "osv - https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/Packagist%2FGHSA-8fw8-q79c-fp9m.json?alt=media" }, { "category": "description", "text": "WWBN AVideo is an open source video platform. In versions up to and including 26.0, an unauthenticated API endpoint (`APIName=locale`) concatenates user input into an `include` path with no canonicalization or whitelist. Path traversal is accepted, so arbitrary PHP files under the web root can be included. In our test this yielded confirmed file disclosure and code execution of existing PHP content (e.g., `view/about.php`), and it *can* escalate to RCE if an attacker can place or control a PHP file elsewhere in the tree. As of time of publication, no patched versions are available.", "title": "cveprojectv5 - https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/33xxx/CVE-2026-33513.json" }, { "category": "description", "text": "WWBN AVideo is an open source video platform. In versions up to and including 26.0, an unauthenticated API endpoint (`APIName=locale`) concatenates user input into an `include` path with no canonicalization or whitelist. Path traversal is accepted, so arbitrary PHP files under the web root can be included. In our test this yielded confirmed file disclosure and code execution of existing PHP content (e.g., `view/about.php`), and it *can* escalate to RCE if an attacker can place or control a PHP file elsewhere in the tree. As of time of publication, no patched versions are available.", "title": "nvd - https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-33513" }, { "category": "description", "text": "### Summary\nAn unauthenticated API endpoint (`APIName=locale`) concatenates user input into an `include` path with no canonicalization or whitelist. Path traversal is accepted, so arbitrary PHP files under the web root can be included. In our test this yielded confirmed file disclosure and code execution of existing PHP content (e.g., `view/about.php`), and it *can* escalate to RCE if an attacker can place or control a PHP file elsewhere in the tree. \n### Details\n- Entry point: `plugin/API/get.json.php` sets `$global['bypassSameDomainCheck']=1` and merges GET/POST/JSON into `$parameters` without authentication or API secret.\n- Handler: `plugin/API/API.php`, method `get_api_locale()` (lines ~5009–5023):\n ```php\n $parameters['language'] = strtolower($parameters['language']);\n $file = \"{$global['systemRootPath']}locale/{$parameters['language']}.php\";\n if (!file_exists($file)) { return new ApiObject(\"This language does not exists\"); }\n include $file;\n ```\n No validation is performed; `../` traversal is accepted.\n- Because `include` executes PHP, any reachable PHP file is executed in the web server context.\n\n### PoC\n1. Fetch an arbitrary PHP file (no auth):\n ```\n GET /plugin/API/get.json.php?APIName=locale&language=../view/about HTTP/1.1\n Host: \n ```\n Response returns the rendered About page HTML, proving traversal outside `locale/`.\n2. RCE with an attacker PHP file (any writable PHP path):\n ```\n GET /plugin/API/get.json.php?APIName=locale&language=../videos/locale/shell&x=whoami\n ```\n If `shell.php` contains ``, the response includes command output.\n\n### Impact\n- Unauthenticated file inclusion of arbitrary PHP files under the web root.\n- Confidential data leakage (e.g., configuration, secrets) via included PHP that renders output.\n- Potential RCE *if* any attacker-writable PHP file exists elsewhere (not confirmed in this build).\n- Affects any deployment with the API plugin enabled (default in docker-compose).\n\n### Mitigation\n- Reject path separators/dots and enforce a strict allowlist of locale slugs.\n- `realpath` the target and ensure it stays within `$systemRootPath/locale`.\n- Stop using `include` for translations; load data from vetted formats (JSON/array).\n- Add authentication (API secret/token) to the endpoint as a secondary control.", "title": "github - https://api.github.com/advisories/GHSA-8fw8-q79c-fp9m" }, { "category": "other", "text": "0.00154", "title": "EPSS" }, { "category": "other", "text": "3.4", "title": "NCSC Score" }, { "category": "other", "text": "Is related to (a version of) an uncommon product, The value of the most recent EPSS score, 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 - osv", "url": "https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/Packagist%2FGHSA-8fw8-q79c-fp9m.json?alt=media" }, { "category": "external", "summary": "Source - cveprojectv5", "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/33xxx/CVE-2026-33513.json" }, { "category": "external", "summary": "Source - nvd", "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-33513" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0" }, { "category": "external", "summary": "Source - github", "url": "https://api.github.com/advisories/GHSA-8fw8-q79c-fp9m" }, { "category": "external", "summary": "Reference - cveprojectv5; github; nvd; osv", "url": "https://github.com/WWBN/AVideo/security/advisories/GHSA-8fw8-q79c-fp9m" }, { "category": "external", "summary": "Reference - github", "url": "https://github.com/advisories/GHSA-8fw8-q79c-fp9m" }, { "category": "external", "summary": "Reference - github; osv", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-33513" } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L", "baseScore": 8.6, "baseSeverity": "HIGH" }, "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-2026-33513" } ] }