{"id":"CVE-2025-9277","aliases":["EUVD-2025-25954","GHSA-p74p-fmvr-r6wf"],"status":"published","title":"SiteSEO – SEO Simplified \u003c= 1.2.7 - Authenticated (Contributor+) Stored Cross-Site Scripting via Broken Regex Expression","description":"The SiteSEO – SEO Simplified plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the broken preg_replace expression in all versions up to, and including, 1.2.7 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":"2026-11-09","score":0.00197,"percentile":0.09512,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2025-08-26T22:26:50Z","modified":"2026-06-17T10:08:39Z","products":[{"vendor":"softaculous","product":"siteseo – seo simplified"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/b8c7cca2-94d2-4a86-bc69-d7b2b0f068ba?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/siteseo/tags/1.2.6/main/advanced.php#L80"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-9277"},{"url":"https://github.com/advisories/GHSA-p74p-fmvr-r6wf"}],"sources":{"cve":[{"id":"CVE-2025-9277","title":"SiteSEO – SEO Simplified \u003c= 1.2.7 - Authenticated (Contributor+) Stored Cross-Site Scripting via Broken Regex Expression","description":"The SiteSEO – SEO Simplified plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the broken preg_replace expression in all versions up to, and including, 1.2.7 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":"2025-08-26T22:26:50.814Z","modified":"2026-04-08T17:17:50.443Z","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":"2026-11-02T14:32:34.096798Z"}],"euvd":[{"id":"EUVD-2025-25954","description":"The SiteSEO – SEO Simplified plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the broken preg_replace expression in all versions up to, and including, 1.2.7 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":"2025-08-26T22:26:50Z","modified":"2026-04-08T17:17:50Z","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":"2026-11-02T19:24:43.291865Z"}],"ghsa":[{"id":"GHSA-p74p-fmvr-r6wf","title":"The SiteSEO – SEO Simplified plugin for WordPress is vulnerable to Stored Cross-Site Scripting...","description":"The SiteSEO – SEO Simplified plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the broken preg_replace expression in all versions up to, and including, 1.2.7 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":"2025-08-27T00:31:16Z","modified":"2025-08-27T00:31:23Z","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":"2026-11-02T15:03:24.943278Z"}],"nvd":[{"id":"CVE-2025-9277","description":"The SiteSEO – SEO Simplified plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the broken preg_replace expression in all versions up to, and including, 1.2.7 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":"2025-08-26T23:15:35.963Z","modified":"2026-06-17T10:08:39.787Z","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":"2026-11-02T14:11:25.826804Z"}]}}