Vulnerability · Published Oct 16, 2026 · Assigned by Wordfence
CVE-2026-104932Search Regex 3.5 - Authenticated (Subscriber+) Remote Code Execution via User Meta Serialized String Corruption
High 8.0
In plain English
A high-severity unsafe deserialization in Search Regex from johnny5. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 21% of all known vulnerabilities).
Severity (CVSS 3.1)8.0High
Exploit odds (30 days)0.3%top 79.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| johnny5 | Search Regex | 0 – through 3.5 |
Weakness: CWE-502 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H