{"id":"CVE-2023-27459","url":"https://www.cyber-defence.io/tools/cve/CVE-2023-27459","generatedAt":"2026-10-24T12:42:48.870Z","title":"Deserialization of Untrusted Data vulnerability in WPEverest User Registration.This issue affects User Registration: from n/a through 2.3.2.1.","description":"Deserialization of Untrusted Data vulnerability in WPEverest User Registration.This issue affects User Registration: from n/a through 2.3.2.1.","published":"2024-03-26T20:15:09.000Z","lastModified":"2026-06-17T05:45:16.000Z","status":"Modified","sourceIdentifier":"audit@patchstack.com","cvss":{"version":"3.1","score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-502"],"affected":["wpeverest/user registration \\& membership"],"epss":{"score":0.00611,"percentile":0.48616,"date":"2026-10-23","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.61%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://patchstack.com/database/vulnerability/user-registration/wordpress-user-registration-plugin-2-3-2-1-authenticated-php-object-injection-vulnerability?_s_id=cve","tags":["Third Party Advisory"],"source":"audit@patchstack.com"},{"url":"https://patchstack.com/database/vulnerability/user-registration/wordpress-user-registration-plugin-2-3-2-1-authenticated-php-object-injection-vulnerability?_s_id=cve","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-27459","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}