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CVE-2023-36806 Detail


Contao is an open source content management system. Starting in version 4.0.0 and prior to versions 4.9.42, 4.13.28, and 5.1.10, it is possible for untrusted backend users to inject malicious code into headline fields in the back end, which will be executed both in the element preview (back end) and on the website (front end). Installations are only affected if there are untrusted back end users who have the rights to modify headline fields, or other fields using the input unit widget. Contao 4.9.42, 4.13.28, and 5.1.10 have a patch for this issue. As a workaround, disable the login for all untrusted back end users.


NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://github.com/contao/contao/commit/5c9aff32cfc1f7dc452a045862ac2f86a6b9b4b4 Patch 
https://github.com/contao/contao/commit/c98585d36baa25fda69c062421e7e7eadc53c82b Patch 
https://github.com/contao/contao/commit/ccb64c777eb0f9c0e6490c9135d80e915d37cd32 Patch 
https://github.com/contao/contao/security/advisories/GHSA-4gpr-p634-922x Vendor Advisory 
https://herolab.usd.de/security-advisories/usd-2023-0020/ Exploit  Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') cwe source acceptance level NIST   GitHub, Inc.  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

4 change records found show changes

Quick Info

CVE Dictionary Entry:
NVD Published Date:
NVD Last Modified:
GitHub, Inc.