The vulnerability of the JavaScript-based Thymeleaf framework lies in the lack of measures taken to neutralize special elements used in the expression language. This allows attackers to execute Server Side Template Injection (SSTI) attacks.

The vulnerability of the JavaScript-based Thymeleaf framework is related to the lack of measures taken to neutralize special elements used in the expression language operator. Exploiting this vulnerability can allow a remote attacker to execute a Server Side Template Injection SSTI attack...