CVE-2025-57759: Contao has improper privilege management for page and article fields

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% 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-269

Description

Contao is an Open Source CMS. In versions starting from 5.3.0 and prior to 5.3.38 and 5.6.1, under certain conditions, back end users may be able to edit fields of pages and articles without having the necessary permissions. This issue has been patched in versions 5.3.38 and 5.6.1. There are no workarounds.

Affected products

contao: from 5.3.0 before 5.3.38; from 5.4.0 before 5.6.1 — fixed in 5.3.38, 5.6.1

How to fix

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

References

https://contao.org/en/security-advisories/improper-privilege-management-for-page-and-article-fields
https://github.com/contao/contao/commit/80ee7db12d55ad979d9b1b180f273d4e2668851f
https://github.com/contao/contao/security/advisories/GHSA-qqfq-7cpp-hcqj

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