XSS Script Detector
Detect XSS script risks in text by scanning tags, event handlers and dangerous protocols with batch checks and risk grading
XSS Scan
XSS Script Detector Guide
Overview
The XSS Script Detector helps identify cross-site scripting risks in text by spotting suspicious tags, handlers, and protocols for frontend checks and security reviews.
Key Features
- Single and batch scans with instant risk grading
- Coverage of tags, event handlers, protocols, and risky functions
- Threat details with remediation tips for quick triage
Detection Coverage
- Executable tags: script, iframe, object, embed
- Event handlers: onload, onerror, onclick
- Risky protocols and functions: javascript:, data:, eval()
Risk Levels
- High: likely to execute scripts or load malicious content
- Medium: elevated risk, additional validation recommended
- Low: minor risk signals that still need attention
XSS Defense Notes
- Common types: stored, reflected, and DOM-based
- Defense: input validation, output encoding, CSP, safe APIs
- Suggested tools: OWASP ZAP, Burp Suite, XSStrike
How to Use
- Choose single scan or batch scan
- Paste content or multiple lines
- Review risk level, threat details, and recommendations
Defense Tips
- Apply consistent output encoding and escaping
- Enforce Content Security Policy (CSP)
- Validate user input with allowlists