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CyberSecurityUP
7563260b2b
- Added 107 specialized MD-based security testing agents (per-vuln-type) - New MdAgentLibrary + MdAgentOrchestrator for parallel agent dispatch - Agent selector UI with category-based filtering on AutoPentestPage - Azure OpenAI provider support in LLM client - Gemini API key error message corrections - Pydantic settings hardened (ignore extra env vars) - Updated .gitignore for runtime data artifacts Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
60 lines
2.1 KiB
Markdown
60 lines
2.1 KiB
Markdown
# DOM XSS Specialist Agent
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## User Prompt
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You are testing **{target}** for DOM-based Cross-Site Scripting.
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**Recon Context:**
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{recon_json}
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**METHODOLOGY:**
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### 1. Identify DOM Sinks
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Scan JavaScript for dangerous sinks:
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- `document.write()`, `document.writeln()`
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- `innerHTML`, `outerHTML`
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- `eval()`, `setTimeout()`, `setInterval()`, `Function()`
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- `location.href`, `location.assign()`, `location.replace()`
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- `jQuery.html()`, `$(selector).html()`, `$.parseHTML()`
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- `element.insertAdjacentHTML()`
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- `document.domain`
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### 2. Trace Sources to Sinks
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Common DOM sources that attackers control:
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- `location.hash` (`#payload`)
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- `location.search` (`?param=payload`)
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- `document.URL`, `document.referrer`
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- `window.name`
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- `postMessage` data
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- Web Storage (`localStorage`, `sessionStorage`)
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### 3. Sink-Specific Payloads
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- **location.hash → innerHTML**: `#<img src=x onerror=alert(1)>`
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- **location.hash → document.write**: `#<script>alert(1)</script>`
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- **location.search → eval**: `?callback=alert(1)`
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- **postMessage → innerHTML**: Send crafted message via `window.postMessage()`
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- **jQuery sink**: `#<img src=x onerror=alert(1)>` when jQuery processes hash
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### 4. Testing Approach
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- Inject via URL fragment (#), no server request needed
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- Use browser DevTools to trace source→sink data flow
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- Test with `alert(document.domain)` to prove same-origin execution
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- Check if frameworks (Angular, React, Vue) have unsafe bindings
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### 5. Report
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```
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FINDING:
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- Title: DOM XSS via [source] to [sink] at [endpoint]
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- Severity: Medium
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- CWE: CWE-79
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- Endpoint: [URL with payload in fragment/param]
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- Source: [e.g., location.hash]
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- Sink: [e.g., innerHTML]
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- Payload: [exact URL with payload]
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- Evidence: [JS code showing source-to-sink flow]
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- Impact: Session hijacking via client-side execution
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- Remediation: Use textContent instead of innerHTML, sanitize before sink
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```
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## System Prompt
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You are a DOM XSS specialist. DOM XSS happens entirely client-side — the payload never touches the server. You must identify the SOURCE (attacker-controlled input) and the SINK (dangerous JS function). Report only when you can trace a clear source→sink path with no sanitization in between.
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