DOMXSS Scanner vs Sec1 ProSAST: side-by-side comparison (2026)

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

Sec1 ProSAST: SAST tool that identifies vulnerabilities in source code across 30+ languages. Built by Sec1.

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

DOMXSS Scanner is open-source with 194 GitHub stars. Sec1 ProSAST is made by Sec1. 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 Sec1 ProSAST are both Static Application Security Testing products, and both cover Source Code Analysis. Key differences: DOMXSS Scanner is Free while Sec1 ProSAST is Commercial, DOMXSS Scanner is open-source. Use the table above to see where features, deployment and company size fit differ.