Intruder XSS Scanner vs is-website-vulnerable: Side-by-Side Comparison (2026)

Intruder XSS Scanner: XSS vulnerability scanner for web apps and APIs with automated scanning. built by Intruder. Core capabilities include Automated XSS vulnerability detection, 75+ application vulnerability checks, 140,000+ infrastructure security checks..

is-website-vulnerable: A command-line tool that scans websites to detect publicly known security vulnerabilities in frontend JavaScript libraries using Snyk's vulnerability database..

Both serve the Security Scanning market but differ in approach, feature depth, and target audience.

Intruder XSS Scanner is developed by Intruder. is-website-vulnerable is open-source with 2,021 GitHub stars. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Intruder XSS Scanner and is-website-vulnerable serve similar Security Scanning use cases: both are Security Scanning tools. Key differences: Intruder XSS Scanner is Commercial while is-website-vulnerable is Free, is-website-vulnerable is open-source. Review the feature comparison above to determine which fits your requirements.