An issue was discovered in TYPO3 before 8.7.30, 9.x before 9.5.12, and 10.x before 10.2.2.
Priority MEDIUM 41CWE-502Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-502.
Summary
An issue was discovered in TYPO3 before 8.7.30, 9.x before 9.5.12, and 10.x before 10.2.2. It has been discovered that the classes QueryGenerator and QueryView are vulnerable to insecure deserialization. One exploitable scenario requires having the system extension ext:lowlevel (Backend Module: DB Check) installed, with a valid backend user who has administrator privileges. The other exploitable scenario requires having the system extension ext:sys_action installed, with a valid backend user who has limited privileges.
Why it matters now
EPSS 0.01267 69th percentileScored 2026-11-07
Fix Fixed typo3/cms-core (Packagist): 10.2.1, 8.7.30, 9.5.12typo3/cms (Packagist): 10.2.1, 8.7.30, 9.5.12
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | typo3/cms-core (Packagist) | 10.0.0 to before 10.2.1 | 10.2.1 | Patch available | GHSA-rcgc-4xfc-564v |
| — | typo3/cms-core (Packagist) | 8.0.0 to before 8.7.30 | 8.7.30 | Patch available | GHSA-rcgc-4xfc-564v |
| — | typo3/cms-core (Packagist) | 9.0.0 to before 9.5.12 | 9.5.12 | Patch available | GHSA-rcgc-4xfc-564v |
| — | typo3/cms (Packagist) | 10.0.0 to before 10.2.1 | 10.2.1 | Patch available | GHSA-rcgc-4xfc-564v |
| — | typo3/cms (Packagist) | 8.0.0 to before 8.7.30 | 8.7.30 | Patch available | GHSA-rcgc-4xfc-564v |
| — | typo3/cms (Packagist) | 9.0.0 to before 9.5.12 | 9.5.12 | Patch available | GHSA-rcgc-4xfc-564v |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- typo3/cms-core (Packagist) Vendor— Affected 10.0.0 to before 10.2.1 Fixed in 10.2.1 Patch available GHSA-rcgc-4xfc-564v
- typo3/cms-core (Packagist) Vendor— Affected 8.0.0 to before 8.7.30 Fixed in 8.7.30 Patch available GHSA-rcgc-4xfc-564v
- typo3/cms-core (Packagist) Vendor— Affected 9.0.0 to before 9.5.12 Fixed in 9.5.12 Patch available GHSA-rcgc-4xfc-564v
- typo3/cms (Packagist) Vendor— Affected 10.0.0 to before 10.2.1 Fixed in 10.2.1 Patch available GHSA-rcgc-4xfc-564v
- typo3/cms (Packagist) Vendor— Affected 8.0.0 to before 8.7.30 Fixed in 8.7.30 Patch available GHSA-rcgc-4xfc-564v
- typo3/cms (Packagist) Vendor— Affected 9.0.0 to before 9.5.12 Fixed in 9.5.12 Patch available GHSA-rcgc-4xfc-564v
Remediation
- Fix · GHSA-rcgc-4xfc-564v typo3/cms-core (Packagist) Fixed in 10.2.1 Advisory →
- Fix · GHSA-rcgc-4xfc-564v typo3/cms-core (Packagist) Fixed in 8.7.30 Advisory →
- Fix · GHSA-rcgc-4xfc-564v typo3/cms-core (Packagist) Fixed in 9.5.12 Advisory →
- Fix · GHSA-rcgc-4xfc-564v typo3/cms (Packagist) Fixed in 10.2.1 Advisory →
- Fix · GHSA-rcgc-4xfc-564v typo3/cms (Packagist) Fixed in 8.7.30 Advisory →
- Fix · GHSA-rcgc-4xfc-564v typo3/cms (Packagist) Fixed in 9.5.12 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2019-19849
- 2026-10-03 Alias added: GHSA-rcgc-4xfc-564v
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-2019-19849 · CVE Program
- CVE-2019-19849 · NVD
- FIRST EPSS
- GHSA-rcgc-4xfc-564v · 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