CVE-2026-77129Server-Side Template Injection in extension "Event management and registration" (sf_event_mgt)
Updated under an hour ago ()
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It affects TYPO3 Extension "Event management and registration". Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 7.7 HIGH (v4.0, CNA)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
- Weakness (CWE)
- CWE-1336
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- TYPO3
- NVD analysis
- Deferred
- Record last updated
- Aug 25, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
TYPO3 Extension "Event management and registration" typo3:extension_event_management_and_registration (from the name) | from 9.0.0 before 9.0.3; from 8.0.0 before 8.6.2; from 7.0.0 before 7.9.3; from 6.0.0 before 6.7.2; before 5.9.3 | CNA record |
References
- https://typo3.org/security/advisory/typo3-ext-sa-2026-023vendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.