CVE-2025-53299: Thememakers Visual Content Composer

Critical severity, CVSS 9.8. EPSS: 0.5% chance of exploitation in the next 30 days.

Deserialization of Untrusted Data vulnerability in ThemeMakers ThemeMakers Visual Content Composer tmm_content_composer allows Object Injection.This issue affects ThemeMakers Visual Content Composer: from n/a through <= 1.5.8.

Affected products

• Thememakers Thememakers Visual Content Composer: up to and including 1.5.8

Published 2025-08-20. Last modified 2026-06-17.