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CVE-2025-57756

Contao discloses sensitive information in the front end search index

5.3 MediumFix available

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
Low
Integrity
None
Availability
None

Exploit likelihood

0.30%Up 0.3 points since Aug 29, 2025
90%50%10%1%

What each source reports

CVE List Score used 5.3

Contao discloses sensitive information in the front end search index

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.

Record
CVE-2025-57756
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-200, CWE-612
Updated
2026-11-02
EUVDEUVD-2025-26127 5.3

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.

Record
EUVD-2025-26127
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Updated
2026-11-02
GitHub AdvisoriesGHSA-2xmj-8wmq-7475 5.3

Contao discloses sensitive information in the front end search index

Impact

Protected content elements that are rendered as fragments are indexed and become publicly available in the front end search.

Patches

Update to Contao 4.13.56, 5.3.38 or 5.6.1.

Workarounds

Disable the front end search.

For more information

If you have any questions or comments about this advisory, open an issue in contao/contao.

Record
GHSA-2xmj-8wmq-7475
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-200, CWE-612
Updated
2026-11-02
NVD 5.3

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.

Record
CVE-2025-57756
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-200, CWE-612
Updated
2026-11-02
OSV 5.3

Contao discloses sensitive information in the front end search index

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.

Record
CVE-2025-57756
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-200, CWE-612
Updated
2026-11-02
OSVGHSA-2xmj-8wmq-7475 5.3

Contao discloses sensitive information in the front end search index

Impact

Protected content elements that are rendered as fragments are indexed and become publicly available in the front end search.

Patches

Update to Contao 4.13.56, 5.3.38 or 5.6.1.

Workarounds

Disable the front end search.

For more information

If you have any questions or comments about this advisory, open an issue in contao/contao.

Record
GHSA-2xmj-8wmq-7475
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-200, CWE-612
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
contao/core-bundle
Packagist
 4.9.14 up to 4.13.56
4.13.56
contao/contao
Packagist
 4.9.14 up to 4.13.56
4.13.56
contao/core-bundle
Packagist
 5.0.0-RC1 up to 5.3.38
5.3.38
contao/core-bundle
Packagist
 5.4.0-RC1 up to 5.6.1
5.6.1
contao/contao
Packagist
 5.0.0-RC1 up to 5.3.38
5.3.38
contao/contao
Packagist
 5.4.0-RC1 up to 5.6.1
5.6.1
contao/core-bundle
Packagist
 4.9.14 up to 4.13.56, plus listed versions
4.10.04.10.0-RC14.10.0-RC24.10.0-RC34.10.0-RC4
Show 45 moreShow less
4.10.14.10.24.10.34.10.44.10.54.10.64.10.74.11.04.11.0-RC14.11.0-RC24.11.14.11.24.11.34.11.44.11.54.11.64.11.74.11.84.11.94.12.04.12.0-RC14.12.0-RC24.12.0-RC34.12.14.12.24.12.34.12.44.12.54.12.64.12.74.13.04.13.0-RC14.13.0-RC24.13.0-RC34.13.14.13.104.13.114.13.124.13.134.13.144.13.154.13.164.13.174.13.184.13.19
4.13.56
contao/contao
Packagist
 4.9.14 up to 4.13.56, plus listed versions
4.10.04.10.0-RC14.10.0-RC24.10.0-RC34.10.0-RC4
Show 45 moreShow less
4.10.14.10.24.10.34.10.44.10.54.10.64.10.74.11.04.11.0-RC14.11.0-RC24.11.14.11.24.11.34.11.44.11.54.11.64.11.74.11.84.11.94.12.04.12.0-RC14.12.0-RC24.12.0-RC34.12.14.12.24.12.34.12.44.12.54.12.64.12.74.13.04.13.0-RC14.13.0-RC24.13.0-RC34.13.14.13.104.13.114.13.124.13.134.13.144.13.154.13.164.13.174.13.184.13.19
4.13.56
contao/core-bundle
Packagist
 5.0.0-RC1 up to 5.3.38, plus listed versions
5.0.05.0.0-RC25.0.0-RC35.0.0-RC45.0.1
Show 45 moreShow less
5.0.105.0.25.0.35.0.45.0.55.0.65.0.75.0.85.0.95.1.05.1.0-RC15.1.0-RC25.1.0-RC35.1.15.1.105.1.115.1.25.1.35.1.45.1.55.1.65.1.75.1.85.1.95.2.05.2.0-RC15.2.0-RC25.2.0-RC35.2.0-RC45.2.0-RC55.2.0-RC65.2.15.2.105.2.25.2.35.2.45.2.55.2.65.2.75.2.85.2.95.3.05.3.0-RC15.3.0-RC25.3.0-RC3
5.3.38
contao/core-bundle
Packagist
 5.4.0-RC1 up to 5.6.1, plus listed versions
5.4.05.4.0-RC25.4.0-RC35.4.0-RC45.4.1
Show 38 moreShow less
5.4.105.4.115.4.125.4.135.4.145.4.25.4.35.4.45.4.55.4.65.4.75.4.85.4.95.5.05.5.0-RC15.5.0-RC25.5.0-RC35.5.0-RC45.5.15.5.105.5.115.5.125.5.135.5.145.5.155.5.165.5.25.5.35.5.45.5.55.5.65.5.75.5.85.5.95.6.05.6.0-RC15.6.0-RC25.6.0-RC3
5.6.1
contao/contao
Packagist
 5.0.0-RC1 up to 5.3.38, plus listed versions
5.0.05.0.0-RC25.0.0-RC35.0.0-RC45.0.1
Show 45 moreShow less
5.0.105.0.25.0.35.0.45.0.55.0.65.0.75.0.85.0.95.1.05.1.0-RC15.1.0-RC25.1.0-RC35.1.15.1.105.1.115.1.25.1.35.1.45.1.55.1.65.1.75.1.85.1.95.2.05.2.0-RC15.2.0-RC25.2.0-RC35.2.0-RC45.2.0-RC55.2.0-RC65.2.15.2.105.2.25.2.35.2.45.2.55.2.65.2.75.2.85.2.95.3.05.3.0-RC15.3.0-RC25.3.0-RC3
5.3.38
contao/contao
Packagist
 5.4.0-RC1 up to 5.6.1, plus listed versions
5.4.05.4.0-RC25.4.0-RC35.4.0-RC45.4.1
Show 38 moreShow less
5.4.105.4.115.4.125.4.135.4.145.4.25.4.35.4.45.4.55.4.65.4.75.4.85.4.95.5.05.5.0-RC15.5.0-RC25.5.0-RC35.5.0-RC45.5.15.5.105.5.115.5.125.5.135.5.145.5.155.5.165.5.25.5.35.5.45.5.55.5.65.5.75.5.85.5.95.6.05.6.0-RC15.6.0-RC25.6.0-RC3
5.6.1

History

History
RecordedChangedSources
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-57756 is a medium vulnerability (CVSS 5.3) in Contao, published August 28, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.30%, the 22nd percentile. Fixed in contao/core-bundle 4.13.56.

References

This page doesn't list everything

Left out here: 220 versions. The JSON record has them.

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