Intruder XSS Scanner is a commercial security scanning solution by Intruder. second-order is a free security scanning solution. Features, integrations, deployment and the company behind each one, side by side.
XSS vulnerability scanner for web apps and APIs with automated scanning
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Based on what each listing shows: deployment, company size, price and open source.
Intruder XSS Scanner fits if you want a cloud product.
second-order fits if you need to run it on your own servers, you need a free product and you want an open-source product.
Common questions when comparing Intruder XSS Scanner vs second-order for security scanning.
Intruder XSS Scanner: XSS vulnerability scanner for web apps and APIs with automated scanning, built by Intruder.
second-order: Second-order subdomain takeover scanner.
The table above shows where their features, integrations, deployment and company size fit differ.
Intruder XSS Scanner is made by Intruder. second-order is open-source with 408 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. Intruder XSS Scanner and second-order are both Security Scanning products. Key differences: Intruder XSS Scanner is Commercial while second-order is Free, second-order is open-source. Use the table above to see where features, deployment and company size fit differ.
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Updated 2026-11-01
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