{"id":"CVE-2022-2438","state":"PUBLISHED","title":"Broken Link Checker <= 1.11.16 - Authenticated (Admin+) PHAR Deserialization","description":"The Broken Link Checker plugin for WordPress is vulnerable to deserialization of untrusted input via the '$log_file' value in versions up to, and including 1.11.16. This makes it possible for authenticated attackers with administrative privileges and above to call files using a PHAR wrapper that will deserialize the data and call arbitrary PHP Objects that can be used to perform a variety of malicious actions granted a POP chain is also present. It also requires that the attacker is successful in uploading a file with the serialized payload.","publishedAt":"2022-09-06T17:18:57.000Z","updatedAt":"2026-04-08T16:57:11.959Z","severity":{"score":7.2,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","source":"Wordfence"},"assigner":"Wordfence","products":["wpmudev Broken Link Checker"],"affected":[{"vendor":"wpmudev","product":"Broken Link Checker","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"1.11.16","versionType":"semver"}]}],"references":["https://www.wordfence.com/threat-intel/vulnerabilities/id/62fd472e-208b-48db-8f98-3d935c7a678c?source=cve","https://plugins.trac.wordpress.org/changeset/2757773/broken-link-checker/trunk/core/core.php?old=2605914&old_path=broken-link-checker%2Ftrunk%2Fcore%2Fcore.php","https://www.wordfence.com/vulnerability-advisories/#CVE-2022-2438"],"weaknesses":["CWE-502"],"ingestedAt":"2026-10-29T19:50:01.354Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/2xxx/CVE-2022-2438.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-2438","state":"PUBLISHED","datePublished":"2022-09-06T17:18:57.000Z","dateUpdated":"2026-04-08T16:57:11.959Z","assignerShortName":"Wordfence","assignerOrgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","dateReserved":"2022-07-15T00:00:00.000Z"},"containers":{"cna":{"title":"Broken Link Checker <= 1.11.16 - Authenticated (Admin+) PHAR Deserialization","descriptions":[{"lang":"en","value":"The Broken Link Checker plugin for WordPress is vulnerable to deserialization of untrusted input via the '$log_file' value in versions up to, and including 1.11.16. 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