CVE-2026-77129
7.7
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| TYPO3 | Extension “Event management and registration” | 9.0.0 < 9.0.3 | affected |
| TYPO3 | Extension “Event management and registration” | 8.0.0 < 8.6.2 | affected |
| TYPO3 | Extension “Event management and registration” | 7.0.0 < 7.9.3 | affected |
| TYPO3 | Extension “Event management and registration” | 6.0.0 < 6.7.2 | affected |
| TYPO3 | Extension “Event management and registration” | 0 < 5.9.3 | affected |
Weaknesses
- CWE-1336: CWE-1336 Improper Neutralization of Special Elements Used in a Template Engine
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: total
References
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