Security advisories

Here you will find a list of vulnerabilities that have already been found and fixed in Contao. If you think that you have found a security issue in Contao, please report it according to our security policy.

2025

by Leo Feyer

Cross-site scripting in templates

Date
25.11.2025

CVE ID
CVE-2025-65961

Package
contao/core-bundle

Affected versions
>=4.0.0

Patched versions
4.13.57, 5.3.42, 5.6.5

Security advisory

by Leo Feyer

Remote code execution in template closures

Date
25.11.2025

CVE ID
CVE-2025-65960

Package
contao/core-bundle

Affected versions
>=4.0.0

Patched versions
4.13.57, 5.3.42, 5.6.5

Security advisory

by Leo Feyer

Information disclosure in the front end search index

Date
28.08.2025

CVE ID
CVE-2025-57756

Package
contao/core-bundle

Affected versions
>=4.9.14

Patched versions
4.13.56, 5.3.38, 5.6.1

Security advisory

by Leo Feyer

Information disclosure in the news module

Date
28.08.2025

CVE ID
CVE-2025-57757

Package
contao/news-bundle

Affected versions
>=5.0.0

Patched versions
5.3.38, 5.6.1

Security advisory

by Leo Feyer

Improper access control in the back end voters

Date
27.08.2025

CVE ID
CVE-2025-57758

Package
contao/core-bundle

Affected versions
>=5.0.0

Patched versions
5.3.38, 5.6.1

Security advisory

by Leo Feyer

Improper privilege management for page and article fields

Date
28.08.2025

CVE ID
CVE-2025-57759

Package
contao/core-bundle

Affected versions
>=5.3.0

Patched versions
5.3.38, 5.6.1

Security advisory

by Leo Feyer

Cross-site scripting through SVG uploads

Date
18.03.2025

CVE ID
CVE-2025-29790

Package
contao/core-bundle

Affected versions
>=4.0.0

Patched versions
4.13.54, 5.3.30, 5.5.6

Security advisory