The vulnerability of the implementation of the recursive rendering function for the Mustache helper components in the Moodle template system allows attackers to perform cross-site scripting attacks or cause service failures.

The vulnerability of the recursive rendering implementation of the Mustache helper components in the Mustache template system of the virtual training environment Moodle is related to improper validation of input data. Exploiting this vulnerability allows an attacker to perform cross-site scriptin...