Information disclosure in Contao
CVE-2025-57757
Contao is an Open Source CMS. In versions starting from 5.0.0 and prior to 5.3.38 and 5.6.1, if a news feed contains protected news archives, their news items are not filtered and become publicly available in the RSS feed. This issue has been patched in versions 5.3.38 and 5.6.1. A workaround involves not adding protected news archives to the news feed page.
Vulnerability class: Information Disclosure
EPSS: 0.003 (20.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
Affected products
- Contao — versions >= 5.0.0-RC1, < 5.3.38, >= 5.4.0-RC1, < 5.6.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (x_refsource_CONFIRM, Patch, Third Party Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-57757?
- CVE-2025-57757 is a medium-severity vulnerability in Contao, classified under Information Disclosure. CVSS score: 5.3/10. Published 2025-08-28.
- How severe is CVE-2025-57757?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2025-57757 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.