{"id":"CVE-2025-4126","aliases":["EUVD-2025-14952","GHSA-47qp-9grv-hjc7"],"status":"published","title":"EG-Series \u003c= 2.1.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode","description":"The EG-Series plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's [series] shortcode in all versions up to, and including, 2.1.1 due to insufficient input sanitization and output escaping on user supplied attributes in the shortcode_title function. This makes it possible for authenticated attackers - with contributor-level access and above, on sites with the Classic Editor plugin activated - to inject arbitrary JavaScript code in the titletag attribute that will execute whenever a user access 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":"2026-11-11","score":0.00294,"percentile":0.22298,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-80"],"published":"2025-05-15T03:21:39Z","modified":"2026-06-17T09:32:33Z","exploits":[{"source":"pocgithub","id":"Slow-Mist/CVE-2025-4126","title":"Slow-Mist/CVE-2025-4126","date":"2025-08-07","url":"https://github.com/Slow-Mist/CVE-2025-4126"}],"products":[{"vendor":"emmanuelg","product":"eg-series"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/ab518a1b-304d-4b93-b807-65ef3941dd47?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/eg-series/trunk/lib/eg-plugin.inc.php#L546"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-4126"},{"url":"https://github.com/advisories/GHSA-47qp-9grv-hjc7"}],"sources":{"cve":[{"id":"CVE-2025-4126","title":"EG-Series \u003c= 2.1.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode","description":"The EG-Series plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's [series] shortcode in all versions up to, and including, 2.1.1 due to insufficient input sanitization and output escaping on user supplied attributes in the shortcode_title function. This makes it possible for authenticated attackers - with contributor-level access and above, on sites with the Classic Editor plugin activated - to inject arbitrary JavaScript code in the titletag attribute that will execute whenever a user access an injected page.","status":"published","published":"2025-05-15T03:21:39.238Z","modified":"2026-04-08T17:14:33.136Z","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-80"],"updated_at":"2026-11-02T14:32:48.512547Z"}],"euvd":[{"id":"EUVD-2025-14952","description":"The EG-Series plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's [series] shortcode in all versions up to, and including, 2.1.1 due to insufficient input sanitization and output escaping on user supplied attributes in the shortcode_title function. This makes it possible for authenticated attackers - with contributor-level access and above, on sites with the Classic Editor plugin activated - to inject arbitrary JavaScript code in the titletag attribute that will execute whenever a user access an injected page.","status":"published","published":"2025-05-15T03:21:39Z","modified":"2026-04-08T17:14:33Z","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":"2026-11-02T19:24:45.533597Z"}],"ghsa":[{"id":"GHSA-47qp-9grv-hjc7","title":"The EG-Series plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's ...","description":"The EG-Series plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's [series] shortcode in all versions up to, and including, 2.1.1 due to insufficient input sanitization and output escaping on user supplied attributes in the shortcode_title function. This makes it possible for authenticated attackers - with contributor-level access and above, on sites with the Classic Editor plugin activated - to inject arbitrary JavaScript code in the titletag attribute that will execute whenever a user access an injected page.","status":"published","published":"2025-05-15T06:31:12Z","modified":"2025-05-15T06:31:21Z","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-80"],"updated_at":"2026-11-02T15:02:18.372377Z"}],"nvd":[{"id":"CVE-2025-4126","description":"The EG-Series plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's [series] shortcode in all versions up to, and including, 2.1.1 due to insufficient input sanitization and output escaping on user supplied attributes in the shortcode_title function. This makes it possible for authenticated attackers - with contributor-level access and above, on sites with the Classic Editor plugin activated - to inject arbitrary JavaScript code in the titletag attribute that will execute whenever a user access an injected page.","status":"published","published":"2025-05-15T04:16:17.283Z","modified":"2026-06-17T09:32:33.47Z","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-80"],"updated_at":"2026-11-02T14:11:08.321805Z"}]}}