{"id":"CVE-2026-54806","aliases":["EUVD-2026-37642","GHSA-5hfr-j85r-7cqx"],"status":"published","title":"WordPress WP Activity Log plugin \u003c= 5.6.3.1 - PHP Object Injection vulnerability","description":"Unauthenticated PHP Object Injection in WP Activity Log \u003c= 5.6.3.1 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":"2026-11-12","score":0.00699,"percentile":0.53634,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-502"],"published":"2026-06-17T09:51:45Z","modified":"2026-10-26T00:10:00Z","exploits":[{"source":"pocgithub","id":"joshuavanderpoll/CVE-2026-54806","title":"joshuavanderpoll/CVE-2026-54806","date":"2026-06-22","url":"https://github.com/joshuavanderpoll/CVE-2026-54806"}],"products":[{"vendor":"melapress","product":"wp activity log"}],"references":[{"url":"https://patchstack.com/database/wordpress/plugin/wp-security-audit-log/vulnerability/wordpress-wp-activity-log-plugin-5-6-3-1-php-object-injection-vulnerability?_s_id=cve","tags":["vdb-entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-54806"},{"url":"https://github.com/advisories/GHSA-5hfr-j85r-7cqx"}],"sources":{"cve":[{"id":"CVE-2026-54806","title":"WordPress WP Activity Log plugin \u003c= 5.6.3.1 - PHP Object Injection vulnerability","description":"Unauthenticated PHP Object Injection in WP Activity Log \u003c= 5.6.3.1 versions.","status":"published","published":"2026-06-17T09:51:45.282Z","modified":"2026-06-17T15:29:41.962Z","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":"2026-11-02T13:38:09.774038Z"}],"euvd":[{"id":"EUVD-2026-37642","description":"Unauthenticated PHP Object Injection in WP Activity Log \u003c= 5.6.3.1 versions.","status":"published","published":"2026-06-17T09:51:45Z","modified":"2026-06-17T15:29:41Z","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":"2026-11-02T18:20:37.851797Z"}],"ghsa":[{"id":"GHSA-5hfr-j85r-7cqx","title":"Unauthenticated PHP Object Injection in WP Activity Log \u003c= 5.6.3.1 versions.","description":"Unauthenticated PHP Object Injection in WP Activity Log \u003c= 5.6.3.1 versions.","status":"published","published":"2026-06-17T18:35:52Z","modified":"2026-06-17T18:36:00Z","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":"2026-11-02T15:08:52.409657Z"}],"nvd":[{"id":"CVE-2026-54806","description":"Unauthenticated PHP Object Injection in WP Activity Log \u003c= 5.6.3.1 versions.","status":"published","published":"2026-06-17T13:20:51.727Z","modified":"2026-10-26T00:10:00.15Z","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":"2026-11-02T14:12:24.544761Z"}]}}