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.

by Leo Feyer

Directory traversal in the file manager

Date
25.04.2023

CVE ID
CVE-2023-29200

Package
contao/core-bundle

Affected versions
>=2.0.0

Patched versions
4.9.40, 4.13.21, 5.1.4

Security advisory

by Leo Feyer

Cross-site scripting via canonical URL

Date
05.05.2022

CVE ID
CVE-2022-24899

Package
contao/core-bundle

Affected versions
>=4.13.0

Patched versions
4.13.3

Security advisory

by Leo Feyer

Privilege escalation with the form generator

Date
11.08.2021

CVE ID
CVE-2021-37627

Package
contao/core-bundle

Affected versions
<4.11.7

Patched versions
4.4.56, 4.9.18, 4.11.7

Security advisory

by Leo Feyer

PHP file inclusion via insert tags

Date
11.08.2021

CVE ID
CVE-2021-37626

Package
contao/core-bundle

Affected versions
>=4.0.0

Patched versions
4.4.56, 4.9.18, 4.11.7

Security advisory

by Leo Feyer

Cross-site scripting via HTML attributes in the back end

Date
11.08.2021

CVE ID
CVE-2021-35955

Package
contao/core-bundle

Affected versions
>=4.0.0

Patched versions
4.4.56, 4.9.18, 4.11.7

Security advisory

by Leo Feyer

Cross-site scripting in the system log

Date
23.06.2021

CVE ID
CVE-2021-35210

Package
contao/core-bundle

Affected versions
>=4.5.0

Patched versions
4.9.16, 4.11.5

Security advisory

by Leo Feyer

Insert tag injection in forms

Date
24.09.2020

CVE ID
CVE-2020-25768

Package
contao/core-bundle

Affected versions
>=4.0.0

Patched versions
4.4.52, 4.9.6, 4.10.1

Security advisory

by Leo Feyer

Insert tag injection in the login module

Date
17.12.2019

CVE ID
CVE-2019-19714

Package
contao/core-bundle

Affected versions
>=4.8.4

Patched versions
4.8.6

Security advisory

by Leo Feyer

Information disclosure in the back end

Date
17.12.2019

CVE ID
CVE-2019-19712

Package
contao/core-bundle

Affected versions
>=4.0.0

Patched versions
4.4.46, 4.8.6

Security advisory

by Leo Feyer

Unrestricted file uploads

Date
17.12.2019

CVE ID
CVE-2019-19745

Package
contao/core-bundle

Affected versions
>=4.0.0

Patched versions
4.4.46, 4.8.6

Security advisory