PT-2026-23195 · Themerex · Pets Club

Tran Nguyen Bao Khanh · Published 2026-03-05 · Updated 2026-03-08 · CVE-2026-22453

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions ThemeREX Pets Club versions prior to 2.3

Description A flaw exists in ThemeREX Pets Club that allows for object injection due to deserialization of untrusted data. This issue impacts the petclub component.

Recommendations Update to a version newer than 2.3.

Fix

Deserialization of Untrusted Data

Weakness Enumeration

CWE-502

Related Identifiers

CVE-2026-22453

Affected Products

Pets Club

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-22453 · Security Note
• https://twitter.com/CVEnew/status/2030747918681186422 · Twitter Post
• https://patchstack.com/database/Wordpress/Theme/petclub/vulnerability/wordpress-pets-club-theme-2-3-php-object-injection-vulnerability?_s_id=cve · Note