Description
WordPress Plugin Broken Link Checker is prone to a deserialization vulnerability. Attackers can possibly exploit this issue to call files using a PHAR wrapper that will deserialize and call arbitrary PHP Objects that can be used to perform a variety of malicious actions, granted a POP chain is also present. WordPress Plugin Broken Link Checker version 1.11.16 is vulnerable; prior versions may also be affected.
Remediation
Update to plugin version 1.11.17 or latest
References
https://wpscan.com/vulnerability/ecfc0221-92c0-49a6-88a3-f1379303bb56
https://www.wordfence.com/vulnerability-advisories/#CVE-2022-2438
https://plugins.svn.wordpress.org/broken-link-checker/trunk/readme.txt
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Internet Information Services Other Vulnerability (CVE-2002-0073)
IBM RTC Incorrect Authorization Vulnerability (CVE-2017-1700)
SugarCRM Other Vulnerability (CVE-2006-2460)
Adobe Coldfusion 8 multiple linked XSS vulnerabilies
SharePoint Deserialization of Untrusted Data Vulnerability (CVE-2025-30378)