CVE-2026-22454 CRITICAL

CVE-2026-22454: WordPress Solaris theme <= 2.5 - PHP Object Injection vulnerability

Vendor Themerex
Product Solaris
Weakness CWE-502 · Unsafe deserialization
Published March 5, 2026
Last update April 28, 2026

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

Description

Deserialization of Untrusted Data vulnerability in ThemeREX Solaris solaris allows Object Injection.This issue affects Solaris: from n/a through <= 2.5.

Key dates

Disclosure timeline

March 5, 2026 CVE published
April 28, 2026 Record updated