HIGH 7.7 NVD
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 t
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.
References
This high severity vulnerability with a CVSS score of 7.7 was published on 2026-08-25 via NVD.
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