Vulnerability · Published Mar 5, 2026 · Assigned by Patchstack
CVE-2026-22453WordPress Pets Club theme <= 2.3 - PHP Object Injection vulnerability
Critical 9.8
In plain English
A critical-severity unsafe deserialization in Pets Club from ThemeREX. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 49% of all known vulnerabilities).
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.6%top 50.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Deserialization of Untrusted Data vulnerability in ThemeREX Pets Club petclub allows Object Injection.This issue affects Pets Club: from n/a through <= 2.3.
Affected products (as reported)
Weakness: CWE-502 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H