CVE-2022-2438

HIGH
Published Sep 6, 20223y ago · Modified Jun 17, 20262w ago
7.2 CVSS 3.1
High
Find Similar
Published Sep 6, 2022 3y ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
7.2
Exploitability
1.2
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required High
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

No active exploitation signals — not in CISA KEV and no EPSS score yet.

Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-502 Deserialization of Untrusted Data Validation

Affected Products 1

VendorProductVersionRange
managewpbroken_link_checker* <1.11.17

References 3

  • plugins.trac.wordpress.org 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
    Patch
  • wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/62fd472e-208b-48db-8f98-3d935c7a678c?source=cve
    Third Party Advisory
  • wordfence.com https://www.wordfence.com/vulnerability-advisories/#CVE-2022-2438
    Third Party Advisory

Remediation

  • plugins.trac.wordpress.org 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
    Patch