PHP Object Injection Vulnerability in Search Regex Plugin for WordPress
CVE-2026-104932

8HIGH

Key Information:

Vendor

WordPress

Vendor
CVE Published:
16 October 2026

What is CVE-2026-104932?

The Search Regex plugin for WordPress is susceptible to a PHP Object Injection vulnerability resulting from the unsafe deserialization of untrusted input in the replace_all function. This issue allows authenticated users, including those with subscriber-level access and above, to inject a PHP Object. Furthermore, the presence of a POP chain permits the execution of arbitrary code, posing significant risks to the integrity and security of the affected WordPress installations.

Affected Version(s)

Search Regex 0 <= 3.5

References

CVSS V3.1

Score:
8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

R3D
.