XSS Attempt - Script Tags, javascript: URI, and Event Handlers in HTTP

Ankit Mehta@Secvyn

•updated Jun 30, 2026•0•0•1

This rule detects common Cross-Site Scripting (XSS) patterns within the HTTP URI, specifically looking for script tags, javascript: URI handlers, and common event handlers (onerror/onload) that are frequently used in XSS injection attacks.