SKILL: Server-Side Template Injection (SSTI)
Metadata
- Skill Name: ssti
- Folder: offensive-ssti
- Source: https://github.com/1991513ccie-png
Description
Server-Side Template Injection testing checklist: template engine identification (Jinja2, Twig, Freemarker, Pebble, Velocity), polyglot detection payloads, engine-specific RCE payloads, blind SSTI, and filter bypass. Use when testing web apps for template injection vulnerabilities.
Trigger Phrases
Use this skill when the conversation involves any of:
SSTI, server-side template injection, Jinja2, Twig, Freemarker, Pebble, Velocity, template injection, template RCE, polyglot payload, template engine, blind SSTI
Instructions for Claude
When this skill is active:
1. Load and apply the full methodology below as your operational checklist
2. Follow steps in order unless the user specifies otherwise
3. For each technique, consider applicability to the current target/context
4. Track which checklist items have been completed
5. Suggest next steps based on findings