What’s Vulnerable › Vulnerabilities

CVE-2026-104932: Search Regex 3.5 - Authenticated (Subscriber+) Remote Code Execution via User Meta Serialized String Corruption

• Severity: high (CVSS 8.0 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-16 · updated 2026-10-16
• Weakness: CWE-502

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.

Affected products

• johnny5 Search Regex: through 3.5

References

• https://plugins.trac.wordpress.org/changeset?reponame=&new=3730910%40search-regex%2Ftags%2F3.5.1&old=3729403%40search-regex%2Ftags%2F3.5
• https://www.wordfence.com/threat-intel/vulnerabilities/id/cb801c72-0e50-4df1-88cc-30f8037c6d3c?source=cve

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