Information disclosure in Contao
CVE-2025-57756
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.
Vulnerability class: Information Disclosure
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.003 (18.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 19th percentile — 18.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Contao — versions >= 4.9.14, < 4.13.56, >= 5.0.0-RC1, < 5.3.38, >= 5.4.0-RC1, < 5.6.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/contao/contao/security/advisories/GHSA-2xmj-8wmq-7475 (Patch, Third Party Advisory)
- github.com/contao/contao/commit/a03976c459b6f3985a28f6488b82a76ffb6c0514 (Patch)
- contao.org/en/security-advisories/information-disclosure-in-the-front-end-searc… (Vendor Advisory)
Frequently asked questions
- What is CVE-2025-57756?
- CVE-2025-57756 is a medium-severity vulnerability in Contao, classified under Information Disclosure. CVSS score: 5.3/10. Published 2025-08-28.
- How severe is CVE-2025-57756?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2025-57756 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.