Information Exposure

Overview contao/core-bundle is an Open Source PHP Content Management System for people who want a professional website that is easy to maintain. Affected versions of this package are vulnerable to Information Exposure in the ModuleSearch process when the contao.search.indexprotected setting is...

Allocation of Resources Without Limits or Throttling

Overview contao/core-bundle is an Open Source PHP Content Management System for people who want a professional website that is easy to maintain. Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling via the ModuleRegistration::compile process. An...

Cross-site Request Forgery (CSRF)

Overview contao/core-bundle is an Open Source PHP Content Management System for people who want a professional website that is easy to maintain. Affected versions of this package are vulnerable to Cross-site Request Forgery CSRF via the RequestTokenListener process. An attacker can perform...

Directory Traversal

Overview contao/core-bundle is an Open Source PHP Content Management System for people who want a professional website that is easy to maintain. Affected versions of this package are vulnerable to Directory Traversal via the ImagesController process. An attacker can access files located outside t...

Missing Authorization

Overview contao/core-bundle is an Open Source PHP Content Management System for people who want a professional website that is easy to maintain. Affected versions of this package are vulnerable to Missing Authorization in the tlpreviewlink process. An attacker can gain unauthorized access to...

Incorrect Authorization

Overview contao/core-bundle is an Open Source PHP Content Management System for people who want a professional website that is easy to maintain. Affected versions of this package are vulnerable to Incorrect Authorization due to improper caching in the TableAccessVoter process. An attacker can gai...

CVE-2026-107851 Contao: Improper access control in the table access voter

Contao is an Open Source CMS. From version 5.7.0 until 5.7.12, TableAccessVoter::hasAccessToModule in core-bundle/src/Security/Voter/DataContainer/TableAccessVoter.php caches authorization decisions using only $tokenHash, a hash of the user's security token, and omits the table returned by...

CVE-2026-107850

Contao is an Open Source CMS. From version 5.7.1 until 5.7.12, core-bundle/config/services.yaml registers the preview access voter as Contao\CoreBundle\Security\Voter\DataContainer\PreviewAccessVoter although the shipped class is PreviewVoter. Symfony therefore omits voter autoconfiguration and...

Server-side Request Forgery (SSRF)

Overview contao/core-bundle is an Open Source PHP Content Management System for people who want a professional website that is easy to maintain. Affected versions of this package are vulnerable to Server-side Request Forgery SSRF via the Feed Reader front-end module, which passes RSS feed URLs fr...

Information Exposure

Overview contao/core-bundle is an Open Source PHP Content Management System for people who want a professional website that is easy to maintain. Affected versions of this package are vulnerable to Information Exposure via the crawler that tries to prevent confidential HTTP client options from bei...

Improper Control Of Dynamically-Managed Code Resources

contao/core-bundle is vulnerable to Improper Control of Dynamically-Managed Code Resources. The vulnerability is due to insufficient restrictions in template closures, which allows a back-end user with precise control over template contents to execute arbitrary PHP functions that do not require...

CVE-2026-33486

creationtimestamp| type| source ---|---|--- 2026-03-22 11:18:48+00:00| published-proof-of-concept| https://github.com/roadiz/core-bundle-dev-app/security/advisories/GHSA-rc55-58f4-687g...

Cross-site Scripting (XSS)

Overview contao/core-bundle is an Open Source PHP Content Management System for people who want a professional website that is easy to maintain. Affected versions of this package are vulnerable to Cross-site Scripting XSS via template output. An attacker can execute arbitrary scripts in the brows...

Insufficient Type Distinction

Overview contao/core-bundle is an Open Source PHP Content Management System for people who want a professional website that is easy to maintain. Affected versions of this package are vulnerable to Insufficient Type Distinction in the Template::once method. Backend users with sufficient privileges...

Incorrect Authorization

Overview contao/core-bundle is an Open Source PHP Content Management System for people who want a professional website that is easy to maintain. Affected versions of this package are vulnerable to Incorrect Authorization due to table access voter improper verification of a user permissions to...

Incorrect Authorization

Overview contao/core-bundle is an Open Source PHP Content Management System for people who want a professional website that is easy to maintain. Affected versions of this package are vulnerable to Incorrect Authorization in the page and article edit fields. An attacker can modify content without...

Incorrect Authorization

Overview contao/core-bundle is an Open Source PHP Content Management System for people who want a professional website that is easy to maintain. Affected versions of this package are vulnerable to Incorrect Authorization in the fragments rendering process. An attacker can access sensitive...

Cross-site Scripting (XSS)

Overview contao/core-bundle is an Open Source PHP Content Management System for people who want a professional website that is easy to maintain. Affected versions of this package are vulnerable to Cross-site Scripting XSS in the uploadTo function in FileUpload.php. An attacker can execute scripts...

CVE-2024-45965: Unrestricted Upload of File with Dangerous Type

Contao before 5.5.6 allows XSS via an SVG document. This affects in contao/core-bundle in Composer 4.x before 4.13.54, 5.0.x through 5.3.x before 5.3.30, and 5.4.x and 5.5..x before 5.5.6...

Directory Traversal

contao/core-bundle is vulnerable to Directory Traversal. The vulnerability is due to insufficient validation or restriction of file paths in the FileSelector widget, allowing authenticated users to access directories outside the intended document root...