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CVE-2025-57758

Contao has improper access control in the back end voters

4.3 MediumFix available

Contao is an Open Source CMS. In versions starting from 5.0.0 and prior to 5.3.38 and 5.6.1, the table access voter in the back end doesn't check if a user is allowed to access the corresponding module. This issue has been patched in versions 5.3.38 and 5.6.1. A workaround involves not relying solely on the voter and additionally to check USER_CAN_ACCESS_MODULE.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
Low
Availability
None

Exploit likelihood

0.26%Up 0.2 points since Aug 29, 2025
90%50%10%1%

What each source reports

CVE List Score used 4.3

Contao has improper access control in the back end voters

Contao is an Open Source CMS. In versions starting from 5.0.0 and prior to 5.3.38 and 5.6.1, the table access voter in the back end doesn't check if a user is allowed to access the corresponding module. This issue has been patched in versions 5.3.38 and 5.6.1. A workaround involves not relying solely on the voter and additionally to check USER_CAN_ACCESS_MODULE.

Record
CVE-2025-57758
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Weakness
CWE-284
Updated
2026-11-02
EUVDEUVD-2025-26125 4.3

Contao is an Open Source CMS. In versions starting from 5.0.0 and prior to 5.3.38 and 5.6.1, the table access voter in the back end doesn't check if a user is allowed to access the corresponding module. This issue has been patched in versions 5.3.38 and 5.6.1. A workaround involves not relying solely on the voter and additionally to check USER_CAN_ACCESS_MODULE.

Record
EUVD-2025-26125
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Updated
2026-11-02
GitHub AdvisoriesGHSA-7m47-r75r-cx8v 4.3

Contao applies improper access control in the back end voters

Impact

The table access voter in the back end doesn't check if a user is allowed to access the corresponding module.

Patches

Update to Contao 5.3.38 or 5.6.1.

Workarounds

Do not rely solely on the voter and additionally check USER_CAN_ACCESS_MODULE.

For more information

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

Record
GHSA-7m47-r75r-cx8v
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Weakness
CWE-284
Updated
2026-11-02
NVD 4.3

Contao is an Open Source CMS. In versions starting from 5.0.0 and prior to 5.3.38 and 5.6.1, the table access voter in the back end doesn't check if a user is allowed to access the corresponding module. This issue has been patched in versions 5.3.38 and 5.6.1. A workaround involves not relying solely on the voter and additionally to check USER_CAN_ACCESS_MODULE.

Record
CVE-2025-57758
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Weakness
CWE-284
Updated
2026-11-02
OSV 4.3

Contao has improper access control in the back end voters

Contao is an Open Source CMS. In versions starting from 5.0.0 and prior to 5.3.38 and 5.6.1, the table access voter in the back end doesn't check if a user is allowed to access the corresponding module. This issue has been patched in versions 5.3.38 and 5.6.1. A workaround involves not relying solely on the voter and additionally to check USER_CAN_ACCESS_MODULE.

Record
CVE-2025-57758
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Weakness
CWE-284
Updated
2026-11-02
OSVGHSA-7m47-r75r-cx8v 4.3

Contao applies improper access control in the back end voters

Impact

The table access voter in the back end doesn't check if a user is allowed to access the corresponding module.

Patches

Update to Contao 5.3.38 or 5.6.1.

Workarounds

Do not rely solely on the voter and additionally check USER_CAN_ACCESS_MODULE.

For more information

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

Record
GHSA-7m47-r75r-cx8v
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Weakness
CWE-284
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
contao/core-bundle
Packagist
 5.0.0 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 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
 5.0.0 up to 5.3.38, plus listed versions
5.0.15.0.105.0.25.0.35.0.4
Show 45 moreShow less
5.0.55.0.65.0.75.0.85.0.95.1.05.1.0-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-RC35.3.0-RC45.3.15.3.105.3.11
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 up to 5.3.38, plus listed versions
5.0.15.0.105.0.25.0.35.0.4
Show 45 moreShow less
5.0.55.0.65.0.75.0.85.0.95.1.05.1.0-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-RC35.3.0-RC45.3.15.3.105.3.11
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-2025-57758 is a medium vulnerability (CVSS 4.3) in Contao, published August 28, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.26%, the 17th percentile. Fixed in contao/core-bundle 5.3.38.

References

This page doesn't list everything

Left out here: 68 versions. The JSON record has them.

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