About XSS Script Detector
This tool scans text or HTML snippets for potential XSS patterns. It supports single-item and batch detection, with risk levels and threat breakdowns.
Core Features
- Single scan mode: analyze one input and return a risk level instantly.
- Batch scan mode: process multiple lines and surface risky entries quickly.
- Rule toggles: enable checks for dangerous tags, event handlers, and protocol payloads.
- Threat details: list matched threat types with severity labels.
- Security guidance: provide practical mitigation suggestions.
How To Use
- Paste target content in single mode.
- Enable detection rules needed for your context.
- Review risk badge and threat details.
- Switch to batch mode for line-by-line scanning.
Typical Use Cases
- Pre-screening user-generated HTML/text input.
- Initial filtering during security reviews.
- Demonstrating common XSS vectors in training sessions.
FAQ
Does low risk mean fully safe?
No. Rule-based scanning is only one layer. You still need output encoding, CSP, and server-side validation.
Why are some seemingly safe strings flagged?
Security detection is intentionally conservative. If content is truly controlled, apply explicit allowlists with careful review.