Is CVE-2025-57756 in the CISA KEV catalog?

No. CVE-2025-57756 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-57756?

CVE-2025-57756 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2025-57756?

CVE-2025-57756 has an EPSS score of 0.27% (18th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-57756?

Upgrade contao to 5.6.1 or later.

CVE & CISA-KEV Catalog

CVE-2025-57756

MEDIUM

5.3

CVSS v3

NVD

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.

CWE-200Information Exposure CWE-612

How to fix

Remediation Available

contaoNVD

Affected:>= 5.4.0, < 5.6.1Fixed in:5.6.1CVE-2025-57756derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Exploit Intelligence

0.27%probability of exploitation in 30 days

18thpercentile

Low risk: more likely to be exploited than 18% of all known CVEs.

References

Patch2

Vendor Advisory1

contao.org

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Markdown

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HTML

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-09-02.