{"id":"CVE-2025-54001","aliases":["EUVD-2025-208299","GHSA-ghg7-3qr4-cjr3"],"status":"published","title":"WordPress Classter theme \u003c= 2.5 - PHP Object Injection vulnerability","description":"Deserialization of Untrusted Data vulnerability in ThemeREX Classter classter allows Object Injection.This issue affects Classter: from n/a through \u003c= 2.5.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00606,"percentile":0.49452,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-502"],"published":"2026-03-05T05:53:29Z","modified":"2026-06-17T09:39:14Z","products":[{"vendor":"themerex","product":"classter"}],"references":[{"url":"https://patchstack.com/database/Wordpress/Theme/classter/vulnerability/wordpress-classter-theme-2-5-php-object-injection-vulnerability?_s_id=cve","tags":["vdb-entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-54001"},{"url":"https://github.com/advisories/GHSA-ghg7-3qr4-cjr3"}],"sources":{"cve":[{"id":"CVE-2025-54001","title":"WordPress Classter theme \u003c= 2.5 - PHP Object Injection vulnerability","description":"Deserialization of Untrusted Data vulnerability in ThemeREX Classter classter allows Object Injection.This issue affects Classter: from n/a through \u003c= 2.5.","status":"published","published":"2026-03-05T05:53:29.753Z","modified":"2026-04-28T18:44:51.756Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:32:27.603809Z"}],"euvd":[{"id":"EUVD-2025-208299","description":"Deserialization of Untrusted Data vulnerability in ThemeREX Classter classter allows Object Injection.This issue affects Classter: from n/a through \u003c= 2.5.","status":"published","published":"2026-03-05T05:53:29Z","modified":"2026-04-28T18:44:51Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T19:05:26.115489Z"}],"ghsa":[{"id":"GHSA-ghg7-3qr4-cjr3","title":"Deserialization of Untrusted Data vulnerability in ThemeREX Classter classter allows Object...","description":"Deserialization of Untrusted Data vulnerability in ThemeREX Classter classter allows Object Injection.This issue affects Classter: from n/a through \u003c= 2.5.","status":"published","published":"2026-03-05T06:30:22Z","modified":"2026-03-05T18:32:43Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T15:06:28.064128Z"}],"nvd":[{"id":"CVE-2025-54001","description":"Deserialization of Untrusted Data vulnerability in ThemeREX Classter classter allows Object Injection.This issue affects Classter: from n/a through \u003c= 2.5.","status":"published","published":"2026-03-05T06:16:11.547Z","modified":"2026-06-17T09:39:14.707Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:12:01.096037Z"}]}}