Symfony · Twig · CVE-2018-13818
**Name of the Vulnerable Software and Affected Versions**
Twig versions prior to 2.4.4
**Description**
The issue allows Server-Side Template Injection (SSTI) via the `search key` parameter. It is noted that Twig itself is not a web application, and the responsibility of properly wrapping input to it lies with web applications using Twig.
**Recommendations**
For versions prior to 2.4.4, update to version 2.4.4 or later to resolve the issue. As a temporary workaround, consider properly wrapping input to Twig to prevent Server-Side Template Injection. Restrict access to the `search key` parameter in affected applications to minimize the risk of exploitation.