Moodle Improper Control of Generation of Code (Code Injection) Vulnerability - CVE-2024-28593

The Chat activity in Moodle 4.3.3 allows students to insert a potentially unwanted HTML A element or IMG element or HTML content that leads to a performance degradation. NOTE: the vendor39s Using_Chat page says quotIf you know some HTML code you can use it in your text to do things like insert images play sounds or create different coloured and sized text.quot This page also says quotChat is due to be removed from standard Moodle.quot