{"id":"CVE-2026-28176","aliases":["EUVD-2026-57959","GHSA-mc9r-rc7r-x444"],"status":"published","title":"WordPress Booking Activities plugin \u003c= 1.18.4 - PHP Object Injection vulnerability","description":"Unauthenticated PHP Object Injection in Booking Activities \u003c= 1.18.4 versions.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00461,"percentile":0.40299,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-502"],"published":"2026-08-13T13:36:35Z","modified":"2026-10-23T18:10:00Z","products":[{"vendor":"booking activities team","product":"booking activities"}],"references":[{"url":"https://patchstack.com/database/wordpress/plugin/booking-activities/vulnerability/wordpress-booking-activities-plugin-1-18-4-php-object-injection-vulnerability?_s_id=cve","tags":["vdb-entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-28176"},{"url":"https://github.com/advisories/GHSA-mc9r-rc7r-x444"}],"sources":{"cve":[{"id":"CVE-2026-28176","title":"WordPress Booking Activities plugin \u003c= 1.18.4 - PHP Object Injection vulnerability","description":"Unauthenticated PHP Object Injection in Booking Activities \u003c= 1.18.4 versions.","status":"published","published":"2026-08-13T13:36:35.072Z","modified":"2026-08-13T15:19:08.76Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:20:02.290587Z"}],"euvd":[{"id":"EUVD-2026-57959","description":"Unauthenticated PHP Object Injection in Booking Activities \u003c= 1.18.4 versions.","status":"published","published":"2026-08-13T13:36:35Z","modified":"2026-08-13T15:19:08Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T18:01:56.415282Z"}],"ghsa":[{"id":"GHSA-mc9r-rc7r-x444","title":"Unauthenticated PHP Object Injection in Booking Activities \u003c= 1.18.4 versions.","description":"Unauthenticated PHP Object Injection in Booking Activities \u003c= 1.18.4 versions.","status":"published","published":"2026-08-13T15:34:39Z","modified":"2026-08-13T15:34:46Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T15:10:25.227735Z"}],"nvd":[{"id":"CVE-2026-28176","description":"Unauthenticated PHP Object Injection in Booking Activities \u003c= 1.18.4 versions.","status":"published","published":"2026-08-13T14:16:59.663Z","modified":"2026-10-23T18:10:00.167Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:12:37.217486Z"}]}}