This article discusses the principles of FreeMarker template injection, common payloads, defense mechanisms, and sandbox bypass techniques. Common Payloads During vulnerability assessment, FreeMarker template injection points are typically found in template editing sections. A general payload example is: <#...
FreeMarker Synack Red Team 0% read Sayaan Alam (sayaanalam) is a member of the Synack Red Team. Hi Readers! I hope you all are doing well. In this post, I want to discuss a specific type of vulnerability I’ve encountered: Server-Side Template Injection (SSTI) in Fr...
Server-Side Template Injection (Java FreeMarker) is a vulnerability similar to Blind Command Injection and is reported with critical-level severity. It is categorized as CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H, ISO27001-A.14.2.5, HIPAA-164.306(a), 1