Individual skill
exploiting-websocket-vulnerabilities
Testing WebSocket implementations for authentication bypass, cross-site hijacking, injection attacks, and insecure message handling during authorized security assessments.
internal/tools/skills/data/web-application-security/exploiting-websocket-vulnerabilities/SKILL.md
Source commit d42f381ad34843e71a42658e5c57290c713e85af
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- Last checked
- Nov 7, 2026
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- Repository last updated
- Nov 7, 2026
- License
- Apache-2.0
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- cybersecurity Repository topic
- security Repository topic
- bug-bounty Repository topic
- automation Repository topic
- autonomous-pentesting Repository topic
- ai-agent Repository topic
- ai-security Repository topic
- ethical-hacking Repository topic
- golang Repository topic
- penetration-testing Repository topic
- penetration-testing Declared skill tag
- websocket Declared skill tag
- web-security Declared skill tag
- owasp Declared skill tag
- real-time Declared skill tag
- burpsuite Declared skill tag
- security Derived category
- testing Derived category
- security-application Derived category
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# Exploiting WebSocket Vulnerabilities
## When to Use
- During authorized penetration tests when the application uses WebSocket connections for real-time features
- When assessing chat applications, live notifications, trading platforms, or collaborative editing tools
- For testing WebSocket API endpoints for authentication and authorization flaws
- When evaluating real-time data streams for injection vulnerabilities
- During security assessments of applications using Socket.IO, SignalR, or native WebSocket APIs
### How to CONFIRM a Hit (avoid false negatives)
- **Positive signal**: you can actually intercept/tamper with messages, a **cross-site WebSocket connection (CSWSH) returns the victim's data**, or an injected payload reaches a real sink and fires — not just that a connection opened.
- A `101 Switching Protocols` response is only the first step; confirm the connection does something privileged with the victim's identity.