{ "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-2026-10552", "tracking": { "current_release_date": "2026-09-06T15:03:06.650784Z", "generator": { "date": "2026-02-17T15:00:00Z", "engine": { "name": "V.E.L.M.A", "version": "1.7" } }, "id": "CVE-2026-10552", "initial_release_date": "2026-06-24T06:38:37.203439Z", "revision_history": [ { "date": "2026-06-24T06:38:37.203439Z", "number": "1", "summary": "CVE created.| Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (1).| References created (6).| CWES updated (1)." }, { "date": "2026-06-24T06:38:39.623720Z", "number": "2", "summary": "NCSC Score created." }, { "date": "2026-06-24T09:26:00.681222Z", "number": "3", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (6).| CWES updated (1)." }, { "date": "2026-06-24T09:26:03.743561Z", "number": "4", "summary": "NCSC Score updated." }, { "date": "2026-06-24T17:11:28.229684Z", "number": "5", "summary": "Source connected.| CVE status created. (valid)| EPSS created." }, { "date": "2026-06-24T17:11:39.398704Z", "number": "6", "summary": "NCSC Score updated." }, { "date": "2026-06-25T14:51:49.862779Z", "number": "7", "summary": "Unknown change." }, { "date": "2026-06-25T14:51:51.942770Z", "number": "8", "summary": "NCSC Score updated." }, { "date": "2026-07-10T15:42:04.338982Z", "number": "9", "summary": "Source connected.| CVE status created. (valid)| EPSS created." }, { "date": "2026-07-10T15:42:06.931253Z", "number": "10", "summary": "NCSC Score updated." }, { "date": "2026-08-11T15:11:55.823243Z", "number": "11", "summary": "Source connected.| CVE status created. (valid)| EPSS created." }, { "date": "2026-08-11T15:12:58.027791Z", "number": "12", "summary": "NCSC Score updated." }, { "date": "2026-09-02T10:45:48.276432Z", "number": "13", "summary": "EPSS updated." }, { "date": "2026-09-02T23:34:51.668934Z", "number": "14", "summary": "NCSC Score updated." }, { "date": "2026-09-03T14:38:21.700561Z", "number": "15", "summary": "EPSS updated." }, { "date": "2026-09-03T19:01:43.806848Z", "number": "16", "summary": "EPSS updated." }, { "date": "2026-09-04T15:47:44.186680Z", "number": "17", "summary": "EPSS updated." }, { "date": "2026-09-05T03:59:15.194821Z", "number": "18", "summary": "NCSC Score updated." }, { "date": "2026-09-05T15:45:38.371902Z", "number": "19", "summary": "EPSS updated." } ], "status": "interim", "version": "19" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:semver/<=2.0.1", "product": { "name": "vers:semver/<=2.0.1", "product_id": "CSAFPID-8491057" } } ], "category": "product_name", "name": "Blue Captcha" } ], "category": "vendor", "name": "jotis" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-10552", "cwe": { "id": "CWE-352", "name": "Cross-Site Request Forgery (CSRF)" }, "notes": [ { "category": "description", "text": "The Blue Captcha plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to and including 2.0.1. This is due to missing or incorrect nonce validation on the main admin panel (blcap_main_page) and on the Hall of Shame and Log subpages, which accept a 'blcap_action' / 'action' parameter from $_REQUEST and perform destructive operations (plugin uninstall via blcap_uninstall(), log deletion via blcap_delete_logs(), Hall of Shame deletion via blcap_delete_ip_db(), and adding IPs to the banned list via update_option('blcap_settings')) with no wp_verify_nonce(), check_admin_referer(), or check_ajax_referer() calls anywhere in the codebase. This makes it possible for unauthenticated attackers to uninstall the plugin, delete audit logs, remove Hall of Shame entries, and add arbitrary IP addresses to the block list via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.", "title": "cveprojectv5 - https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/10xxx/CVE-2026-10552.json" }, { "category": "description", "text": "The Blue Captcha plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to and including 2.0.1. This is due to missing or incorrect nonce validation on the main admin panel (blcap_main_page) and on the Hall of Shame and Log subpages, which accept a 'blcap_action' / 'action' parameter from $_REQUEST and perform destructive operations (plugin uninstall via blcap_uninstall(), log deletion via blcap_delete_logs(), Hall of Shame deletion via blcap_delete_ip_db(), and adding IPs to the banned list via update_option('blcap_settings')) with no wp_verify_nonce(), check_admin_referer(), or check_ajax_referer() calls anywhere in the codebase. This makes it possible for unauthenticated attackers to uninstall the plugin, delete audit logs, remove Hall of Shame entries, and add arbitrary IP addresses to the block list via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.", "title": "nvd - https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-10552" }, { "category": "other", "text": "0.00192", "title": "EPSS" }, { "category": "other", "text": "3.9", "title": "NCSC Score" }, { "category": "other", "text": "The value of the most recent EPSS score, Is related to (a version of) an uncommon product, Is related to CWE-352 (Cross-Site Request Forgery (CSRF)), There is cwe data available from source Nvd", "title": "NCSC Score top decreasing factors" } ], "product_status": { "known_affected": [ "CSAFPID-8491057" ] }, "references": [ { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss" }, { "category": "external", "summary": "Source - cveprojectv5", "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/10xxx/CVE-2026-10552.json" }, { "category": "external", "summary": "Source - nvd", "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-10552" }, { "category": "external", "summary": "Source - ncscclear", "url": "https://vulnerabilities.ncsc.nl/manual/CVE-2026-10552" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd", "url": "https://plugins.trac.wordpress.org/browser/blue-captcha/tags/2.0.1/bluecaptcha.php#L220" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd", "url": "https://plugins.trac.wordpress.org/browser/blue-captcha/tags/2.0.1/bluecaptcha.php#L221" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd", "url": "https://plugins.trac.wordpress.org/browser/blue-captcha/tags/2.0.1/bluehos.php#L51" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd", "url": "https://plugins.trac.wordpress.org/browser/blue-captcha/tags/2.0.1/bluehos.php#L91" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd", "url": "https://plugins.trac.wordpress.org/browser/blue-captcha/tags/2.0.1/bluelog.php#L62" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd", "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/793072e9-250b-4a2c-819f-aa7e1dc7d4d6?source=cve" } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N", "baseScore": 4.3, "baseSeverity": "MEDIUM" }, "products": [ "CSAFPID-8491057" ] } ], "title": "CVE-2026-10552" } ] }