{"id":"CVE-2021-4374","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-4374","generatedAt":"2026-11-04T23:23:37.660Z","title":"The WordPress Automatic Plugin for WordPress is vulnerable to arbitrary options updates in versions up to, and including, 3.53.2.","description":"The WordPress Automatic Plugin for WordPress is vulnerable to arbitrary options updates in versions up to, and including, 3.53.2. This is due to missing authorization and option validation in the process_form.php file. This makes it possible for unauthenticated attackers to arbitrarily update the settings of a vulnerable site and ultimately compromise the entire site.","published":"2023-06-07T02:15:15.000Z","lastModified":"2026-06-17T04:19:36.000Z","status":"Modified","sourceIdentifier":"security@wordfence.com","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-862"],"affected":["valvepress/wordpress automatic plugin"],"epss":{"score":0.16408,"percentile":0.96983,"date":"2026-11-03","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 16.4%, higher than 97% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"https://blog.nintechnet.com/critical-vulnerability-fixed-in-wordpress-automatic-plugin/","tags":["Exploit"],"source":"security@wordfence.com"},{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/d0567dc8-7a4c-42f4-bf45-f31a8efaa354?source=cve","tags":["Third Party Advisory"],"source":"security@wordfence.com"},{"url":"https://blog.nintechnet.com/critical-vulnerability-fixed-in-wordpress-automatic-plugin/","tags":["Exploit"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/d0567dc8-7a4c-42f4-bf45-f31a8efaa354?source=cve","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-4374","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."}