DOMXSS Scanner vs Gecko Security: side-by-side comparison (2026)

DOMXSS Scanner: A free online tool to scan for DOM-based XSS vulnerabilities in HTML, JavaScript, and CSS files.

Gecko Security: AI-native SAST platform finding multi-step & business logic vulns in code. Built by Gecko Security.

The table above shows where their features, integrations, deployment and company size fit differ.

DOMXSS Scanner is open-source with 194 GitHub stars. Gecko Security is made by Gecko Security. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

Often, yes. DOMXSS Scanner and Gecko Security are both Static Application Security Testing products, and both cover Source Code Analysis. Key differences: DOMXSS Scanner is Free while Gecko Security is Commercial, DOMXSS Scanner is open-source. Use the table above to see where features, deployment and company size fit differ.