Cross-Site Scripting (XSS) Pattern & Sanitization Screener
Scans input strings for malicious HTML tag injection and JavaScript execution vectors (XSS).
Notice: engineering verification utility. Use test or de-identified data and verify results independently before relying on them.
How it works
Standard: OWASP Top 10 Injection / CWE-79
Formula: Regex matching for <script>, onerror=, javascript:, and onload= vectors
Checks: Non-empty text string
Calculated locally in browser memory; nothing leaves your browser.
Deterministic local-first client-side execution. Provided as-is without warranty.