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.

2021

Date: 2021-06-23
CVE ID: CVE-2021-35210

It is possible to inject code into the tl_log table that will be executed in the browser when the system log is called. The problem affects all Contao versions as of Contao 4.5 and has been fixed in Contao 4.9.16 and 4.11.5.