A comprehensive security testing framework for identifying non-SQL server-side injection vulnerabilities in web application back-end components.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install bookforge-server-side-injection-testing
2. Manual Installation
Copy the skill folder to one of these locations
~/.openclaw/skills/ <project>/skills/ Priority: Workspace > Local > Bundled
3. Prompt Installation
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Help me install bookforge-server-side-injection-testing using Clawhub. If Clawhub is not installed, install it first (npm i -g clawhub).
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Get the raw skill files in a ZIP archive.
What is Server-Side Injection Testing?
The Server-Side Injection Testing skill is a technical methodology designed for security professionals to audit how web applications interact with back-end systems like operating systems, filesystems, and mail servers. It focuses on the critical insight that data safe for HTTP can become a dangerous payload when interpreted by a shell, XML parser, or SMTP server. By utilizing this Openclaw Skills resource, developers and testers can systematically probe for flaws that allow attackers to read arbitrary files, execute unauthorized commands, or pivot to internal network services.
This skill bridges the gap between front-end input and back-end execution, providing specific detection procedures for high-impact vulnerabilities including OS Command Injection (CWE-78), Path Traversal (CWE-22), and XML External Entity (XXE) injection (CWE-611). It serves as a vital tool for authorized penetration testing, security code reviews, and defensive hardening of modern web architectures.
Server-Side Injection Testing Use Cases
- Performing an authorized penetration test on admin interfaces that execute system commands.
- Conducting security code reviews to find dangerous API calls like eval, exec, or include.
- Auditing file upload and download functionality for path traversal and LFI/RFI risks.
- Testing API endpoints that process XML or SOAP data for XXE and logic injection.
- Analyzing mail submission forms to prevent SMTP header injection and spam abuse.
How Server-Side Injection Testing Works
- Map the attack surface by identifying parameters used in file access, OS commands, XML parsing, and back-end HTTP proxying.
- Execute time-delay probes (e.g., ping commands) to detect blind OS command injection across different operating systems.
- Test for path traversal using systematic sequences and encoding bypasses to access sensitive files like /etc/passwd.
- Probe XML-based endpoints with DOCTYPE declarations to identify XXE vulnerabilities and potential SSRF pivots.
- Verify SMTP injection by attempting to inject newlines and additional headers (Cc/Bcc) into mail-related input fields.
- Document confirmed vulnerabilities with evidence, severity ratings, and specific remediation countermeasures.
Server-Side Injection Testing Setup
To use this skill within your security workflow, ensure you are in an authorized testing environment. You can use common CLI tools for discovery:
# Search for dangerous PHP functions in your codebase
grep -rE "eval\(|system\(|shell_exec\(|include\(" ./src
# Test for blind command injection delay (Unix-based)
curl -X POST https://api.example.com/v1/tools -d "cmd=|| ping -i 30 127.0.0.1"
Server-Side Injection Testing Data Schema & Taxonomy
The skill produces a structured Server-Side Injection Assessment Report organized as follows:
| Section | Description |
|---|---|
| Executive Summary | High-level overview of the application's security posture and critical risks. |
| Findings | Detailed list of vulnerabilities including CWE ID, severity, and evidence strings. |
| Attack Surface Table | A mapping of tested parameters versus identified vulnerabilities. |
| Countermeasures | Specific code-level fixes (e.g., using allowlists or disabling entity expansion). |
Server-Side Injection Testing Advanced Features
- Multi-vector filter bypass matrix for overcoming WAFs and path traversal sanitization.
- Time-delay inference techniques for reliable detection in completely blind execution environments.
- SSRF escalation paths using XXE to map internal networks and bypass firewalls.
- Detailed mapping of vulnerabilities to industry-standard CWE and OWASP classifications.
- Logic-altering SOAP injection techniques for manipulating structured back-end messaging.
SKILL.md
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