What’s Vulnerable › Vulnerabilities

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

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-08-28 · updated 2026-06-17
• Weakness: CWE-200

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.

Affected products

• contao: from 4.9.0 through 4.9.14; from 4.10.0 before 4.13.56; from 5.0.0 before 5.3.38; from 5.4.0 before 5.6.1 — fixed in 4.13.56, 5.3.38, 5.6.1

How to fix

Upgrade to a fixed version: contao 4.13.56, 5.3.38, 5.6.1. Check the vendor advisory for mitigations.

References

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

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