Broken Access Control in extension "Event management and registration" (sf_event_mgt)
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- Present
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-862.
Summary
The extension fails to enforce enable-field restrictions on a repository query parameter. An unauthenticated remote user can pass a demand-override parameter to view hidden or time-restricted events, unless the disableOverrideDemand plugin setting is active. Exploitation of this issue requires only that disableOverrideDemand is not enabled.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| TYPO3 | Extension "Event management and registration" | 9.0.0 to before 9.0.3; 8.0.0 to before 8.6.2; 7.0.0 to before 7.9.3; 6.0.0 to before 6.7.2; before 5.9.3 | 9.0.3, 8.6.2, 7.9.3, 6.7.2, 5.9.3 | Patch available | CNA |
- Extension "Event management and registration" VendorTYPO3 Affected 9.0.0 to before 9.0.3; 8.0.0 to before 8.6.2; 7.0.0 to before 7.9.3; 6.0.0 to before 6.7.2; before 5.9.3 Fixed in 9.0.3, 8.6.2, 7.9.3, 6.7.2, 5.9.3 Patch available CNA
Remediation
- Fix · CNA Extension "Event management and registration" (TYPO3) Fixed in 9.0.3, 8.6.2, 7.9.3, 6.7.2, 5.9.3
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
TYPO3 Extension "Event management and registration" — typo3.org/security/advisory/typo3-ext-sa-2026-023
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2026-53872 Server-Side Template Injection in extension "Event management and registration" (sf_event_mgt)Priority LOW 36
Timeline
- 2026-10-02 Threatist record created from CVE-2026-77128
- 2026-10-03 Alias added: GHSA-w95p-wfvw-xgjm
References
More TYPO3 vulnerabilities
- TI-2023-10314 Persisted Cross-Site Scripting in Frontend Rendering in typo3 CVSS 3.1HIGH 8.8
- TI-2010-03538 The jumpUrl (aka access tracking) implementation in tslib/class.tslib_fe.php in TYPO3… CVSS 2.0HIGH 7.1
- TI-2009-00775 The jumpUrl mechanism in class.tslib_fe.php in TYPO3 3.3.x through 3.8.x, 4.0 before… CVSS 2.0MEDIUM 5.0
- TI-2025-30547 The sr_feuser_register extension through 12.4.8 for TYPO3 allows Remote Code Execution. CVSS 3.1CRITICAL 10.0
- TI-2019-08867 The PharStreamWrapper (aka phar-stream-wrapper) package 2.x before 2.1.1 and 3.x before… CVSS 3.1CRITICAL 9.8
- TI-2008-04019 Unspecified vulnerability in the TYPO3 Secure Directory (kw_secdir) extension before… CVSS 2.0HIGH 10.0
Sources
- CVE-2026-77128 · CVE Program
- CVE-2026-77128 · NVD
- FIRST EPSS
- GHSA-w95p-wfvw-xgjm · GitHub Advisory Database · CC BY 4.0
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