Weak Authentication in Session Handling in typo3/cms-core
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-287.
Summary
TYPO3 is an open source PHP based web content management system released under the GNU GPL. In typo3 installations there are always at least two different sites. Eg. first.example.org and second.example.com. In affected versions a session cookie generated for the first site can be reused on the second site without requiring additional authentication. This vulnerability has been addressed in versions 8.7.55, 9.5.44, 10.4.41, 11.5.33, and 12.4.8. Users are advised to upgrade. There are no known workarounds for this vulnerability.
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 | typo3 | 8.0.0 to before 8.7.55; 9.0.0 to before 9.5.44; 10.0.0 to before 10.4.41; 11.0.0 to before 11.5.33; 12.0.0 to before 12.4.8 | 8.7.55, 9.5.44, 10.4.41, 11.5.33, 12.4.8 | Patch available | CNA |
| — | typo3/cms-core (Packagist) | 8.0.0 to before 8.7.55 | 8.7.55 | Patch available | GHSA-3vmm-7h4j-69rm |
| — | typo3/cms-core (Packagist) | 9.0.0 to before 9.5.44 | 9.5.44 | Patch available | GHSA-3vmm-7h4j-69rm |
| — | typo3/cms-core (Packagist) | 10.0.0 to before 10.4.41 | 10.4.41 | Patch available | GHSA-3vmm-7h4j-69rm |
| — | typo3/cms-core (Packagist) | 11.0.0 to before 11.5.33 | 11.5.33 | Patch available | GHSA-3vmm-7h4j-69rm |
| — | typo3/cms-core (Packagist) | 12.0.0 to before 12.4.8 | 12.4.8 | Patch available | GHSA-3vmm-7h4j-69rm |
- typo3 VendorTYPO3 Affected 8.0.0 to before 8.7.55; 9.0.0 to before 9.5.44; 10.0.0 to before 10.4.41; 11.0.0 to before 11.5.33; 12.0.0 to before 12.4.8 Fixed in 8.7.55, 9.5.44, 10.4.41, 11.5.33, 12.4.8 Patch available CNA
- typo3/cms-core (Packagist) Vendor— Affected 8.0.0 to before 8.7.55 Fixed in 8.7.55 Patch available GHSA-3vmm-7h4j-69rm
- typo3/cms-core (Packagist) Vendor— Affected 9.0.0 to before 9.5.44 Fixed in 9.5.44 Patch available GHSA-3vmm-7h4j-69rm
- typo3/cms-core (Packagist) Vendor— Affected 10.0.0 to before 10.4.41 Fixed in 10.4.41 Patch available GHSA-3vmm-7h4j-69rm
- typo3/cms-core (Packagist) Vendor— Affected 11.0.0 to before 11.5.33 Fixed in 11.5.33 Patch available GHSA-3vmm-7h4j-69rm
- typo3/cms-core (Packagist) Vendor— Affected 12.0.0 to before 12.4.8 Fixed in 12.4.8 Patch available GHSA-3vmm-7h4j-69rm
Remediation
- Fix · CNA typo3 (TYPO3) Fixed in 8.7.55, 9.5.44, 10.4.41, 11.5.33, 12.4.8
- Fix · GHSA-3vmm-7h4j-69rm typo3/cms-core (Packagist) Fixed in 8.7.55 Advisory →
- Fix · GHSA-3vmm-7h4j-69rm typo3/cms-core (Packagist) Fixed in 9.5.44 Advisory →
- Fix · GHSA-3vmm-7h4j-69rm typo3/cms-core (Packagist) Fixed in 10.4.41 Advisory →
- Fix · GHSA-3vmm-7h4j-69rm typo3/cms-core (Packagist) Fixed in 11.5.33 Advisory →
- Fix · GHSA-3vmm-7h4j-69rm typo3/cms-core (Packagist) Fixed in 12.4.8 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2023-47127
- 2026-10-03 Alias added: GHSA-3vmm-7h4j-69rm
References
Advisory 3
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-2009-00241 The Indexed Search Engine (indexed_search) system extension in TYPO3 4.0.0 through 4.0.9… CVSS 2.0HIGH 10.0
- TI-2020-08940 Improperly Controlled Modification of Dynamically-Determined Object Attributes in TYPO3 CMS CVSS 3.1CRITICAL 10.0
- TI-2011-03994 Improper authentication in TYPO3 CVSS 3.1CRITICAL 9.8
Sources
- CVE-2023-47127 · CVE Program
- CVE-2023-47127 · NVD
- FIRST EPSS
- GHSA-3vmm-7h4j-69rm · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences