{"id":"CVE-2026-28149","aliases":["EUVD-2026-57947","GHSA-p43p-3gc5-7925"],"status":"published","title":"WordPress Headless Single Sign On plugin \u003c= 1.6 - PHP Object Injection vulnerability","description":"Unauthenticated PHP Object Injection in Headless Single Sign On \u003c= 1.6 versions.","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":"2026-11-09","score":0.00564,"percentile":0.47134,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-502"],"published":"2026-08-13T13:36:27Z","modified":"2026-10-23T18:10:00Z","products":[{"vendor":"miniorange","product":"headless single sign on"}],"references":[{"url":"https://patchstack.com/database/wordpress/plugin/headless-single-sign-on/vulnerability/wordpress-headless-single-sign-on-plugin-1-6-php-object-injection-vulnerability?_s_id=cve","tags":["vdb-entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-28149"},{"url":"https://github.com/advisories/GHSA-p43p-3gc5-7925"}],"sources":{"cve":[{"id":"CVE-2026-28149","title":"WordPress Headless Single Sign On plugin \u003c= 1.6 - PHP Object Injection vulnerability","description":"Unauthenticated PHP Object Injection in Headless Single Sign On \u003c= 1.6 versions.","status":"published","published":"2026-08-13T13:36:27.374Z","modified":"2026-08-13T15:23:45.729Z","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":"2026-11-02T14:20:01.969981Z"}],"euvd":[{"id":"EUVD-2026-57947","description":"Unauthenticated PHP Object Injection in Headless Single Sign On \u003c= 1.6 versions.","status":"published","published":"2026-08-13T13:36:27Z","modified":"2026-08-13T15:23:45Z","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":"2026-11-02T18:01:56.066325Z"}],"ghsa":[{"id":"GHSA-p43p-3gc5-7925","title":"Unauthenticated PHP Object Injection in Headless Single Sign On \u003c= 1.6 versions.","description":"Unauthenticated PHP Object Injection in Headless Single Sign On \u003c= 1.6 versions.","status":"published","published":"2026-08-13T15:34:38Z","modified":"2026-08-13T15:34:45Z","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":"2026-11-02T15:10:25.227735Z"}],"nvd":[{"id":"CVE-2026-28149","description":"Unauthenticated PHP Object Injection in Headless Single Sign On \u003c= 1.6 versions.","status":"published","published":"2026-08-13T14:16:58.07Z","modified":"2026-10-23T18:10:00.167Z","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":"2026-11-02T14:12:37.217486Z"}]}}