{"id":"CVE-2018-20231","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-20231","generatedAt":"2026-10-28T21:21:56.838Z","title":"Cross Site Request Forgery (CSRF) in the two-factor-authentication plugin before 1.3.13 for WordPress allows remote attackers to disable 2FA via the tfa_enable_tfa parameter due to missing nonce validation.","description":"Cross Site Request Forgery (CSRF) in the two-factor-authentication plugin before 1.3.13 for WordPress allows remote attackers to disable 2FA via the tfa_enable_tfa parameter due to missing nonce validation.","published":"2018-12-19T11:29:02.000Z","lastModified":"2026-06-17T01:52:31.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":8.8,"severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},"cwe":["CWE-352"],"affected":["simbahosting/two-factor-authentication"],"epss":{"score":0.01438,"percentile":0.73014,"date":"2026-10-27","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 (1.44%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://wordpress.org/plugins/two-factor-authentication/#developers","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://wpvulndb.com/vulnerabilities/9187","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.privacy-wise.com/two-factor-authentication-cross-site-request-forgery-csrf-vulnerability-cve-2018-20231/","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://wordpress.org/plugins/two-factor-authentication/#developers","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://wpvulndb.com/vulnerabilities/9187","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.privacy-wise.com/two-factor-authentication-cross-site-request-forgery-csrf-vulnerability-cve-2018-20231/","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-20231","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."}