Vulnerability DatabaseCVE-2025-57756
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CVE-2025-57756
August 28, 2025
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 Packages
https://github.com/contao/contao.git (GITHUB):
Affected version(s) >=5.4.0 <5.6.1
Fix Suggestion:
Update to version 5.6.1
https://github.com/contao/contao.git (GITHUB):
Affected version(s) >=4.9.14 <4.13.56
Fix Suggestion:
Update to version 4.13.56
https://github.com/contao/contao.git (GITHUB):
Affected version(s) >=5.0.0 <5.3.38
Fix Suggestion:
Update to version 5.3.38
contao/core-bundle (PHP):
Affected version(s) >=5.4.0 <5.6.1
Fix Suggestion:
Update to version 5.6.1
contao/contao (PHP):
Affected version(s) >=5.0.0 <5.3.38
Fix Suggestion:
Update to version 5.3.38
contao/contao (PHP):
Affected version(s) >=4.9.14 <4.13.56
Fix Suggestion:
Update to version 4.13.56
contao/core-bundle (PHP):
Affected version(s) >=4.9.14 <4.13.56
Fix Suggestion:
Update to version 4.13.56
contao/contao (PHP):
Affected version(s) >=5.4.0 <5.6.1
Fix Suggestion:
Update to version 5.6.1
contao/core-bundle (PHP):
Affected version(s) >=5.0.0 <5.3.38
Fix Suggestion:
Update to version 5.3.38
contao/contao (PHP):
Affected version(s) >=5.0.0 <5.3.38
Fix Suggestion:
Update to version 5.3.38
contao/contao (PHP):
Affected version(s) >=5.4.0 <5.6.1
Fix Suggestion:
Update to version 5.6.1
contao/contao (PHP):
Affected version(s) >=4.9.14 <4.13.56
Fix Suggestion:
Update to version 4.13.56
contao/contao (PHP):
Affected version(s) >=5.0.0 <5.3.38
Fix Suggestion:
Update to version 5.3.38
contao/contao (PHP):
Affected version(s) >=5.4.0 <5.6.1
Fix Suggestion:
Update to version 5.6.1
Related Resources (5)
https://contao.org/en/security-advisories/information-disclosure-in-the-front-end-search-index
https://github.com/contao/contao/commit/a03976c459b6f3985a28f6488b82a76ffb6c0514
https://nvd.nist.gov/vuln/detail/CVE-2025-57756
https://github.com/contao/contao
https://github.com/contao/contao/security/advisories/GHSA-2xmj-8wmq-7475
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CVSS v4
Base Score:
6.9
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Improper Authorization of Index Containing Sensitive Information
CWE-612
Exposure of Sensitive Information to an Unauthorized Actor
CWE-200
EPSS
Base Score:
0.04