{"id":"CVE-2025-13856","aliases":["EUVD-2025-201519","GHSA-r8fj-pcwj-qmr8"],"status":"published","title":"Extra Post Images \u003c= 1.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode Attributes","description":"The Extra Post Images plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'id' parameter of the extra-images shortcode in all versions up to, and including, 1.0 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","severity":{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00246,"percentile":0.15983,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2025-12-06T05:49:33Z","modified":"2026-10-15T20:10:00Z","products":[{"vendor":"michaelcole1991","product":"extra post images"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/c5fbb963-f89d-4037-9456-8587bcf5d620?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/extra-post-images/trunk/epi.php#L92"},{"url":"https://plugins.trac.wordpress.org/browser/extra-post-images/tags/1.0/epi.php#L92"},{"url":"https://plugins.trac.wordpress.org/browser/extra-post-images/tags/1.0/epi.php#L101"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-13856"},{"url":"https://github.com/advisories/GHSA-r8fj-pcwj-qmr8"}],"sources":{"cve":[{"id":"CVE-2025-13856","title":"Extra Post Images \u003c= 1.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode Attributes","description":"The Extra Post Images plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'id' parameter of the extra-images shortcode in all versions up to, and including, 1.0 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","status":"published","published":"2025-12-06T05:49:33.475Z","modified":"2026-04-08T17:21:05.62Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:32:43.437394Z"}],"euvd":[{"id":"EUVD-2025-201519","description":"The Extra Post Images plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'id' parameter of the extra-images shortcode in all versions up to, and including, 1.0 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","status":"published","published":"2025-12-06T05:49:33Z","modified":"2026-04-08T17:21:05Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T19:24:41.449169Z"}],"ghsa":[{"id":"GHSA-r8fj-pcwj-qmr8","title":"The Extra Post Images plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ...","description":"The Extra Post Images plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'id' parameter of the extra-images shortcode in all versions up to, and including, 1.0 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","status":"published","published":"2025-12-06T06:30:16Z","modified":"2025-12-06T06:30:28Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:05:04.429575Z"}],"nvd":[{"id":"CVE-2025-13856","description":"The Extra Post Images plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'id' parameter of the extra-images shortcode in all versions up to, and including, 1.0 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","status":"published","published":"2025-12-06T06:15:52.453Z","modified":"2026-10-15T20:10:00.197Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:11:49.093461Z"}]}}