High severity8.8NVD Advisory· Published Dec 17, 2019· Updated Jun 17, 2026
CVE-2019-19849
CVE-2019-19849
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
typo3/cms-corePackagist | >= 10.0.0, < 10.2.1 | 10.2.1 |
typo3/cms-corePackagist | >= 8.0.0, < 8.7.30 | 8.7.30 |
typo3/cms-corePackagist | >= 9.0.0, < 9.5.12 | 9.5.12 |
typo3/cmsPackagist | >= 10.0.0, < 10.2.1 | 10.2.1 |
typo3/cmsPackagist | >= 8.0.0, < 8.7.30 | 8.7.30 |
typo3/cmsPackagist | >= 9.0.0, < 9.5.12 | 9.5.12 |
Affected products
3- TYPO3/TYPO3description
- ghsa-coords2 versions
>= 10.0.0, < 10.2.1+ 1 more
- (no CPE)range: >= 10.0.0, < 10.2.1
- (no CPE)range: >= 10.0.0, < 10.2.1
Patches
Vulnerability mechanics
References
7- github.com/advisories/GHSA-rcgc-4xfc-564vghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2019-19849ghsaADVISORY
- review.typo3.org/q/%2522Resolves:+%252389005%2522+topic:securitynvdVendor AdvisoryWEB
- typo3.org/security/advisory/typo3-core-sa-2019-026/nvdVendor Advisory
- github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms-core/CVE-2019-19849.yamlghsaWEB
- github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms/CVE-2019-19849.yamlghsaWEB
- typo3.org/security/advisory/typo3-core-sa-2019-026ghsaWEB
News mentions
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