CVE-2026-77129
Server-Side Template Injection in extension "Event management and registration" (sf_event_mgt)
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-1336 |
| Vendor | typo3 |
| Product | extension "event management and registration" |
| Published | Aug 25, 2026 |
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Affected Versions
TYPO3 / Extension "Event management and registration"
9.0.0 < 9.0.3 8.0.0 < 8.6.2 7.0.0 < 7.9.3 6.0.0 < 6.7.2 0 < 5.9.3
References
Credits
Torben Hansen