{"id":"CVE-2026-1820","aliases":["EUVD-2026-10132","GHSA-36p3-m272-rwxj"],"status":"published","title":"Media Library Alt Text Editor \u003c= 1.0.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'post_id' Shortcode Attribute","description":"The Media Library Alt Text Editor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'bvmalt_sc_div_update_alt_text' shortcode in all versions up to, and including, 1.0.0 due to insufficient input sanitization and output escaping on user supplied attributes. 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":"2026-11-09","score":0.00181,"percentile":0.07731,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-03-07T07:22:05Z","modified":"2026-06-17T10:16:34Z","products":[{"vendor":"brainvireinfo","product":"media library alt text editor"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/7879aaad-37b2-410d-9b21-029bed47202c?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/media-library-alt-text-editor/tags/1.0.0/common/functions.php#L34"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-1820"},{"url":"https://github.com/advisories/GHSA-36p3-m272-rwxj"}],"sources":{"cve":[{"id":"CVE-2026-1820","title":"Media Library Alt Text Editor \u003c= 1.0.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'post_id' Shortcode Attribute","description":"The Media Library Alt Text Editor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'bvmalt_sc_div_update_alt_text' shortcode in all versions up to, and including, 1.0.0 due to insufficient input sanitization and output escaping on user supplied attributes. 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":"2026-03-07T07:22:05.839Z","modified":"2026-04-08T17:01:54.385Z","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":"2026-11-02T14:20:00.879257Z"}],"euvd":[{"id":"EUVD-2026-10132","description":"The Media Library Alt Text Editor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'bvmalt_sc_div_update_alt_text' shortcode in all versions up to, and including, 1.0.0 due to insufficient input sanitization and output escaping on user supplied attributes. 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":"2026-03-07T07:22:05Z","modified":"2026-04-08T17:01:54Z","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":"2026-11-02T19:24:52.902902Z"}],"ghsa":[{"id":"GHSA-36p3-m272-rwxj","title":"The Media Library Alt Text Editor plugin for WordPress is vulnerable to Stored Cross-Site...","description":"The Media Library Alt Text Editor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'bvmalt_sc_div_update_alt_text' shortcode in all versions up to, and including, 1.0.0 due to insufficient input sanitization and output escaping on user supplied attributes. 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":"2026-03-07T09:30:15Z","modified":"2026-03-07T09:30:15Z","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":"2026-11-02T15:06:30.378091Z"}],"nvd":[{"id":"CVE-2026-1820","description":"The Media Library Alt Text Editor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'bvmalt_sc_div_update_alt_text' shortcode in all versions up to, and including, 1.0.0 due to insufficient input sanitization and output escaping on user supplied attributes. 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":"2026-03-07T08:16:10.297Z","modified":"2026-06-17T10:16:34.087Z","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":"2026-11-02T14:12:08.279852Z"}]}}