VULNERABILITY INTELLIGENCE
CVE-2026-77129
EPSS probability0.40%
CISA KEVNot currently listed
Published2026-08-25
Last modified2026-08-26
Description
The extension passes an editor-configurable email subject string directly into a Fluid template source without restriction. A backend user with edit access to the event plugin or Backend Module can supply Fluid ViewHelper syntax in this field to disclose sensitive data or execute TypoScript content objects. Exploitation of this issue requires an authenticated backend account with edit access to the event registration plugin or backend module.
Weakness classification
- f4fb688c-4412-4426-b4b8-421ecf27b14a: CWE-1336