{"id":"CVE-2026-14558","aliases":["EUVD-2026-67567","GHSA-j5mw-m2j3-5747"],"status":"published","title":"WP User Frontend \u003c 4.3.10 - Editor+ PHP Object Injection via AI Form Builder","description":"The User Frontend  WordPress plugin before 4.3.10 does not properly validate field type definitions and deserialises user-controlled post metadata when rendering submitted posts, allowing users with Editor-level access and above to inject arbitrary PHP objects, which can lead to remote code execution when a suitable POP chain is present on the site.","severity":{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-10","score":0.00777,"percentile":0.56159,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-502"],"published":"2026-08-28T06:00:15Z","modified":"2026-08-28T18:40:31Z","products":[{"vendor":"unknown","product":"user frontend"}],"references":[{"url":"https://wpscan.com/vulnerability/217303f4-4363-46f6-8aee-8e0c1aedc271/","tags":["exploit","vdb-entry","technical-description"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-14558"},{"url":"https://wpscan.com/vulnerability/217303f4-4363-46f6-8aee-8e0c1aedc271"},{"url":"https://github.com/advisories/GHSA-j5mw-m2j3-5747"}],"sources":{"cve":[{"id":"CVE-2026-14558","title":"WP User Frontend \u003c 4.3.10 - Editor+ PHP Object Injection via AI Form Builder","description":"The User Frontend  WordPress plugin before 4.3.10 does not properly validate field type definitions and deserialises user-controlled post metadata when rendering submitted posts, allowing users with Editor-level access and above to inject arbitrary PHP objects, which can lead to remote code execution when a suitable POP chain is present on the site.","status":"published","published":"2026-08-28T06:00:15.842Z","modified":"2026-08-28T13:03:21.317Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T13:38:32.13011Z"}],"euvd":[{"id":"EUVD-2026-67567","description":"The User Frontend  WordPress plugin before 4.3.10 does not properly validate field type definitions and deserialises user-controlled post metadata when rendering submitted posts, allowing users with Editor-level access and above to inject arbitrary PHP objects, which can lead to remote code execution when a suitable POP chain is present on the site.","status":"published","published":"2026-08-28T06:00:15Z","modified":"2026-08-28T13:03:21Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T18:01:23.608347Z"}],"ghsa":[{"id":"GHSA-j5mw-m2j3-5747","title":"The User Frontend  WordPress plugin before 4.3.10 does not properly validate field type...","description":"The User Frontend  WordPress plugin before 4.3.10 does not properly validate field type definitions and deserialises user-controlled post metadata when rendering submitted posts, allowing users with Editor-level access and above to inject arbitrary PHP objects, which can lead to remote code execution when a suitable POP chain is present on the site.","status":"published","published":"2026-08-28T09:31:44Z","modified":"2026-08-28T18:31:27Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T15:11:07.541511Z"}],"nvd":[{"id":"CVE-2026-14558","description":"The User Frontend  WordPress plugin before 4.3.10 does not properly validate field type definitions and deserialises user-controlled post metadata when rendering submitted posts, allowing users with Editor-level access and above to inject arbitrary PHP objects, which can lead to remote code execution when a suitable POP chain is present on the site.","status":"published","published":"2026-08-28T08:16:40.327Z","modified":"2026-08-28T18:40:31.63Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:12:42.035353Z"}]}}