{"id":"CVE-2023-0926","aliases":["EUVD-2023-12913","GHSA-qhg4-f6mr-54g9"],"status":"published","title":"Custom Permalinks \u003c= 2.6.0 - Authenticated(Editor+) Stored Cross-Site Scripting","description":"The Custom Permalinks plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 2.6.0 due to insufficient input sanitization and output escaping on tag names. This allows authenticated users, with editor-level permissions or greater to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page, even when 'unfiltered_html' has been disabled.","severity":{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00321,"percentile":0.25365,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2024-08-24T02:02:32Z","modified":"2026-10-28T02:30:45Z","products":[{"vendor":"sami_ahmed_siddiqui","product":"custom_permalinks"},{"vendor":"samiahmedsiddiqui","product":"custom_permalinks"},{"vendor":"sasiddiqui","product":"custom permalinks"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/97f8549a-292d-4a6d-8ec0-550467e5cf0f?source=cve","tags":["Third Party Advisory","web"]},{"url":"https://wordpress.org/plugins/custom-permalinks/","tags":["Product","web"]},{"url":"https://github.com/samiahmedsiddiqui/custom-permalinks/pull/96","tags":["Issue Tracking","Patch","fix"]},{"url":"https://plugins.trac.wordpress.org/changeset/3138206/custom-permalinks/trunk/admin/class-custom-permalinks-post-types-table.php","tags":["Patch","web"]},{"url":"https://plugins.trac.wordpress.org/changeset/3138206/custom-permalinks/trunk/admin/class-custom-permalinks-taxonomies-table.php","tags":["Patch","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-0926","tags":["advisory"]},{"url":"https://wordpress.org/plugins/custom-permalinks"},{"url":"https://github.com/advisories/GHSA-qhg4-f6mr-54g9"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/0xxx/CVE-2023-0926.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2023-0926","title":"Custom Permalinks \u003c= 2.6.0 - Authenticated(Editor+) Stored Cross-Site Scripting","description":"The Custom Permalinks plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 2.6.0 due to insufficient input sanitization and output escaping on tag names. This allows authenticated users, with editor-level permissions or greater to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page, even when 'unfiltered_html' has been disabled.","status":"published","published":"2024-08-24T02:02:32.778Z","modified":"2026-04-08T17:10:34.981Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:35:35.256261Z"}],"euvd":[{"id":"EUVD-2023-12913","description":"The Custom Permalinks plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 2.6.0 due to insufficient input sanitization and output escaping on tag names. This allows authenticated users, with editor-level permissions or greater to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page, even when 'unfiltered_html' has been disabled.","status":"published","published":"2024-08-24T02:02:32Z","modified":"2026-04-08T17:10:34Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T19:24:48.525699Z"}],"ghsa":[{"id":"GHSA-qhg4-f6mr-54g9","title":"The Custom Permalinks plugin for WordPress is vulnerable to Stored Cross-Site Scripting in...","description":"The Custom Permalinks plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 2.6.0 due to insufficient input sanitization and output escaping on tag names. This allows authenticated users, with editor-level permissions or greater to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page, even when 'unfiltered_html' has been disabled.","status":"published","published":"2024-08-24T03:30:32Z","modified":"2024-08-24T03:30:38Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:58:04.012722Z"}],"nvd":[{"id":"CVE-2023-0926","description":"The Custom Permalinks plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 2.6.0 due to insufficient input sanitization and output escaping on tag names. This allows authenticated users, with editor-level permissions or greater to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page, even when 'unfiltered_html' has been disabled.","status":"published","published":"2024-08-24T02:15:03.993Z","modified":"2026-06-17T05:26:39.213Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:09:19.052418Z"}],"osv":[{"id":"CVE-2023-0926","title":"Custom Permalinks \u003c= 2.6.0 - Authenticated(Editor+) Stored Cross-Site Scripting","description":"The Custom Permalinks plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 2.6.0 due to insufficient input sanitization and output escaping on tag names. This allows authenticated users, with editor-level permissions or greater to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page, even when 'unfiltered_html' has been disabled.","status":"published","published":"2024-08-24T02:02:32.778Z","modified":"2026-10-28T02:30:45.791257377Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:44:29.487253Z"}]}}