CVE-2026-104932: CWE-502 Deserialization of Untrusted Data in johnny5 Search Regex
Description
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.
CVSS v3.1
Score 8.0high
Affected software
johnny5
Search Regex
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-104932 describes a deserialization vulnerability (CWE-502) in the Search Regex WordPress plugin (johnny5 project) affecting versions up to and including 3.5. The flaw allows authenticated attackers with subscriber or higher privileges to inject PHP objects through the replace_all function. Exploitation requires deserialization of untrusted data, and the presence of a POP chain enables code execution. The vulnerability has a CVSS v3.1 score of 8.0, indicating high impact on confidentiality, integrity, and availability.
Potential Impact
Successful exploitation can lead to remote code execution on the affected system, compromising confidentiality, integrity, and availability. Attackers need authenticated access at subscriber level or above to trigger the vulnerability. This elevates the risk within environments where such user roles exist.
Mitigation Recommendations
No official patch or remediation details are provided in the available data. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict subscriber-level access where possible and monitor for suspicious activity related to the Search Regex plugin.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Wordfence
- Date Reserved
- 2026-10-02T16:56:15.687Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6ad1bacb2cdf04f656bb876c
Added to database: 10/16/2026, 05:48:59 UTC
Last enriched: 10/16/2026, 06:04:30 UTC
Last updated: 10/16/2026, 19:03:29 UTC
Views: 14
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