Security advisory2026-10-16Software component projectSecurity advisory

Software component issue could make the application process unsafe input

The Search Regex plugin for WordPress is vulnerable to PHP Object Injection in version 3.5 via deserialization of untrusted input in the replaceall function.

What happened

  • The Search Regex plugin for WordPress is vulnerable to PHP Object Injection in version 3.5 via deserialization of untrusted input in the replace_all function. This allows authenticated attackers, with subscriber-level access and above, to inject a PHP Object. The additional presence of a POP chain allows attackers to execute code.Security Advisory CVE-2026-104932
  • The Search Regex plugin for WordPress is vulnerable to PHP Object Injection in version 3.5 via deserialization of untrusted input in the replaceall function. This allows authenticated attackers, with subscriber-level access and above, to inject a PHP Object.Advisory description (CVE-2026-104932)

Contributing factors stated by the source

  • The Search Regex plugin for WordPress is vulnerable to PHP Object Injection in version 3.5 via deserialization of untrusted input in the replaceall function. This allows authenticated attackers, with subscriber-level access and above, to inject a PHP Object.

The failure pattern

Watch the pattern: Privileged action without an enforceable approval gate

Related standards

CollectSEA's mapping through this incident's failure pattern; not an official determination by the standards bodies.

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