Deserialization in Johnny5 Search Regex

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 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.

Vulnerability class: Insecure Deserialization

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-104932?
CVE-2026-104932 is a high-severity vulnerability in Johnny5 Search Regex, classified under Deserialization of Untrusted Data. CVSS score: 8.0/10. Published 2026-10-16.
How severe is CVE-2026-104932?
High severity. CVSS v3 base score is 8.0 out of 10.