{"id":"CVE-2022-2438","aliases":["EUVD-2022-34699","GHSA-3pxc-92w9-cmx7"],"status":"published","title":"Broken Link Checker \u003c= 1.11.16 - Authenticated (Admin+) PHAR Deserialization","description":"The Broken Link Checker plugin for WordPress is vulnerable to deserialization of untrusted input via the '$log_file' value in versions up to, and including 1.11.16. This makes it possible for authenticated attackers with administrative privileges and above to call files using a PHAR wrapper that will deserialize the data and call arbitrary PHP Objects that can be used to perform a variety of malicious actions granted a POP chain is also present. It also requires that the attacker is successful in uploading a file with the serialized payload.","severity":{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.01812,"percentile":0.78805,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-502"],"published":"2022-09-06T17:18:57Z","modified":"2026-06-17T04:41:53Z","products":[{"vendor":"managewp","product":"broken_link_checker"},{"vendor":"wpmu dev - your all-in-one wordpress platform","product":"broken link checker"},{"vendor":"wpmudev","product":"broken link checker"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/62fd472e-208b-48db-8f98-3d935c7a678c?source=cve","tags":["x_transferred","Third Party Advisory"]},{"url":"https://plugins.trac.wordpress.org/changeset/2757773/broken-link-checker/trunk/core/core.php?old=2605914\u0026old_path=broken-link-checker%2Ftrunk%2Fcore%2Fcore.php","tags":["x_transferred","Patch"]},{"url":"https://www.wordfence.com/vulnerability-advisories/#CVE-2022-2438","tags":["x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-2438"},{"url":"https://github.com/advisories/GHSA-3pxc-92w9-cmx7"}],"sources":{"cve":[{"id":"CVE-2022-2438","title":"Broken Link Checker \u003c= 1.11.16 - Authenticated (Admin+) PHAR Deserialization","description":"The Broken Link Checker plugin for WordPress is vulnerable to deserialization of untrusted input via the '$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.","status":"published","published":"2022-09-06T17:18:57Z","modified":"2026-04-08T16:57:11.959Z","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":"cna"}],"cwes":["CWE-502","CWE-502"],"updated_at":"2026-11-02T14:34:32.156873Z"}],"euvd":[{"id":"EUVD-2022-34699","description":"The Broken Link Checker plugin for WordPress is vulnerable to deserialization of untrusted input via the '$log_file' value in versions up to, and including 1.11.16. This makes it possible for authenticated attackers with administrative privileges and above to call files using a PHAR wrapper that will deserialize the data and call arbitrary PHP Objects that can be used to perform a variety of malicious actions granted a POP chain is also present. It also requires that the attacker is successful in uploading a file with the serialized payload.","status":"published","published":"2022-09-06T17:18:57Z","modified":"2026-04-08T16:57:11Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T19:24:56.140077Z"}],"ghsa":[{"id":"GHSA-3pxc-92w9-cmx7","title":"The Broken Link Checker plugin for WordPress is vulnerable to deserialization of untrusted input...","description":"The Broken Link Checker plugin for WordPress is vulnerable to deserialization of untrusted input via the '$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.","status":"published","published":"2022-09-07T00:01:52Z","modified":"2023-10-20T18:30:55Z","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":"2026-11-02T14:54:48.16134Z"}],"nvd":[{"id":"CVE-2022-2438","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.","status":"published","published":"2022-09-06T18:15:13.77Z","modified":"2026-06-17T04:41:53.8Z","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"},{"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":"primary"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:07:26.802986Z"}]}}