Intruder XSS Scanner is a commercial security scanning solution by Intruder. S3Scanner 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
S3Scanner is an open-source tool that scans S3 buckets across S3-compatible APIs to identify misconfigurations and security vulnerabilities.
See more solutions in this category, or build a security stack from your picks.
Based on what each listing shows: deployment, company size, price and open source.
Intruder XSS Scanner fits if you want a cloud product.
S3Scanner 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 S3Scanner for security scanning.
Intruder XSS Scanner: XSS vulnerability scanner for web apps and APIs with automated scanning. Built by Intruder.
S3Scanner: S3Scanner is an open-source tool that scans S3 buckets across S3-compatible APIs to identify misconfigurations and security vulnerabilities.
The table above shows where their features, integrations, deployment and company size fit differ.
Intruder XSS Scanner is made by Intruder. S3Scanner is open-source with 3,022 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 S3Scanner are both Security Scanning products. Key differences: Intruder XSS Scanner is Commercial while S3Scanner is Free, S3Scanner is open-source. Use the table above to see where features, deployment and company size fit differ.
No Security Scanning shortlist yet. This is the closest one.
Updated 2026-11-02
See the shortlist
