Contao Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2021-35210)
Description
Contao 4.5.x through 4.9.x before 4.9.16, and 4.10.x through 4.11.x before 4.11.5, allows XSS. It is possible to inject code into the tl_log table that will be executed in the browser when the system log is called in the back end.