{"id":"CVE-2025-9854","aliases":["EUVD-2025-32519","GHSA-fmfj-7r75-qpr4"],"status":"published","title":"A Simple Multilanguage Plugin \u003c= 1.0 - Authenticated (Contributor+) Stored Cross-Site Scripting","description":"The A Simple Multilanguage Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'asmp-switcher' shortcode in all versions up to, and including, 1.0 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":"2026-11-11","score":0.00197,"percentile":0.09574,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2025-10-03T11:17:14Z","modified":"2026-10-11T20:10:00Z","products":[{"vendor":"piupiiu","product":"a simple multilanguage plugin"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/77033d00-f794-4dbe-9454-17c312855491?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/a-simple-multilanguage/trunk/a-simple-multilang.php#L315"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-9854"},{"url":"https://github.com/advisories/GHSA-fmfj-7r75-qpr4"}],"sources":{"cve":[{"id":"CVE-2025-9854","title":"A Simple Multilanguage Plugin \u003c= 1.0 - Authenticated (Contributor+) Stored Cross-Site Scripting","description":"The A Simple Multilanguage Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'asmp-switcher' shortcode in all versions up to, and including, 1.0 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":"2025-10-03T11:17:14.351Z","modified":"2026-04-08T17:01:37.705Z","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":"2026-11-02T14:32:33.755525Z"}],"euvd":[{"id":"EUVD-2025-32519","description":"The A Simple Multilanguage Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'asmp-switcher' shortcode in all versions up to, and including, 1.0 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":"2025-10-03T11:17:14Z","modified":"2026-04-08T17:01:37Z","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":"2026-11-02T19:24:53.403695Z"}],"ghsa":[{"id":"GHSA-fmfj-7r75-qpr4","title":"The A Simple Multilanguage Plugin plugin for WordPress is vulnerable to Stored Cross-Site...","description":"The A Simple Multilanguage Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'asmp-switcher' shortcode in all versions up to, and including, 1.0 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":"2025-10-03T12:33:16Z","modified":"2025-10-03T12:33:23Z","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":"2026-11-02T15:03:51.355149Z"}],"nvd":[{"id":"CVE-2025-9854","description":"The A Simple Multilanguage Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'asmp-switcher' shortcode in all versions up to, and including, 1.0 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":"2025-10-03T12:15:48.92Z","modified":"2026-10-11T20:10:00.2Z","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":"2026-11-02T14:11:34.090044Z"}]}}