CVE-2026-77129 | BDVDB-2026-364447 Detail
TYPO3Extension "Event management and registration"
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.
Impact#
Per CVSS v4.0: confidentiality impact high, integrity impact high, availability impact high. Attack vector: network.
Weaknesses#
- CWE-1336 Improper Neutralization of Special Elements Used in a Template Engine
References#
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.