CVE-2026-77129

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 conte...

Cross-Site Scripting through Fluid view helper arguments

Meta CVSS: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:F/RL:O/RC:C 5.7 CWE-79 Problem Three XSS vulnerabilities have been detected in Fluid: 1. TagBasedViewHelper allowed XSS throug maliciously crafted additionalAttributes arrays by creating keys with attribute-closing quotes followed by HTML...