{"id":"CVE-2025-39354","aliases":["EUVD-2025-15781","GHSA-p5p2-m2mh-3r9v"],"status":"published","title":"WordPress Grand Conference theme \u003c= 5.3 - PHP Object Injection vulnerability","description":"Deserialization of Untrusted Data vulnerability in ThemeGoods Grand Conference grandconference allows Object Injection.This issue affects Grand Conference: from n/a through \u003c= 5.3.","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":0.00485,"percentile":0.42235,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-502"],"published":"2025-05-19T19:48:09Z","modified":"2026-06-17T09:17:48Z","products":[{"vendor":"themegoods","product":"grand conference"},{"vendor":"themegoods","product":"grand_conference"}],"references":[{"url":"https://patchstack.com/database/Wordpress/Theme/grandconference/vulnerability/wordpress-grand-conference-theme-5-2-php-object-injection-vulnerability?_s_id=cve","tags":["vdb-entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-39354"},{"url":"https://patchstack.com/database/wordpress/plugin/grandconference/vulnerability/wordpress-grand-conference-theme-5-2-php-object-injection-vulnerability?_s_id=cve"},{"url":"https://github.com/advisories/GHSA-p5p2-m2mh-3r9v"}],"sources":{"cve":[{"id":"CVE-2025-39354","title":"WordPress Grand Conference theme \u003c= 5.3 - PHP Object Injection vulnerability","description":"Deserialization of Untrusted Data vulnerability in ThemeGoods Grand Conference grandconference allows Object Injection.This issue affects Grand Conference: from n/a through \u003c= 5.3.","status":"published","published":"2025-05-19T19:48:09.53Z","modified":"2026-04-28T16:12:29.33Z","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":"2026-11-02T14:32:50.176138Z"}],"euvd":[{"id":"EUVD-2025-15781","description":"Deserialization of Untrusted Data vulnerability in ThemeGoods Grand Conference grandconference allows Object Injection.This issue affects Grand Conference: from n/a through \u003c= 5.3.","status":"published","published":"2025-05-19T19:48:09Z","modified":"2026-04-28T16:12:29Z","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":"2026-11-02T19:05:43.748382Z"}],"ghsa":[{"id":"GHSA-p5p2-m2mh-3r9v","title":"Deserialization of Untrusted Data vulnerability in ThemeGoods Grand Conference allows Object...","description":"Deserialization of Untrusted Data vulnerability in ThemeGoods Grand Conference allows Object Injection.This issue affects Grand Conference: from n/a through 5.2.","status":"published","published":"2025-05-19T21:30:34Z","modified":"2026-04-01T18:35:23Z","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":"2026-11-02T15:07:04.310482Z"}],"nvd":[{"id":"CVE-2025-39354","description":"Deserialization of Untrusted Data vulnerability in ThemeGoods Grand Conference grandconference allows Object Injection.This issue affects Grand Conference: from n/a through \u003c= 5.3.","status":"published","published":"2025-05-19T20:15:23.337Z","modified":"2026-06-17T09:17:48.88Z","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":"2026-11-02T14:11:09.125937Z"}]}}