# Intruder Web Application Scanning vs Rexsser: side-by-side comparison (2026) [Intruder Web Application Scanning](https://cybersectools.com/tools/intruder-web-application-scanning) is a commercial [dynamic application security testing](https://cybersectools.com/categories/dast) solution by [Intruder](https://cybersectools.com/companies/intruder). [Rexsser](https://cybersectools.com/tools/rexsser) is a free [dynamic application security testing](https://cybersectools.com/categories/dast) solution. Features, integrations, deployment and the company behind each one, side by side. Need the answer fast? [Best DAST Solutions for Business](https://cybersectools.com/shortlists/best-dast-solutions) picks PortSwigger Burp Suite DAST, Invicti DAST, Rapid7 InsightAppSec and 4 more. ## Side-by-side comparison | | Intruder Web Application Scanning | Rexsser | |---|---|---| | Pricing model | Commercial | Free | | Category | Dynamic Application Security Testing | Dynamic Application Security Testing | | Verified | No | No | | Deployment type | Cloud | On-Premises | | Company size fit | Startup, SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise | | GitHub stars | – | 75 | | Last commit | – | Nov 2020 | | Company | Intruder | – | | Headquarters | – | – | ### Use cases and capabilities | | Intruder Web Application Scanning | Rexsser | |---|---|---| | DAST | Yes | – | | OWASP | Yes | – | | SQL Injection | Yes | – | | XSS | Yes | Yes | | WAF | Yes | – | | Open Source | – | Yes | | XSS Scanner | – | Yes | | Regex | – | Yes | ### Core features **Intruder Web Application Scanning** 10 features listed. Sign in on the page to see them. **Rexsser** No features listed. ### Integrations **Intruder Web Application Scanning** 4 integrations listed. Sign in on the page to see them. **Rexsser** No integrations listed. ## Which one fits you Based on what each listing shows: deployment, company size, price and open source. - [Intruder Web Application Scanning](https://cybersectools.com/tools/intruder-web-application-scanning) fits if you want a cloud product. - [Rexsser](https://cybersectools.com/tools/rexsser) fits if you need to run it on your own servers, you need a free product and you want an open-source product. ## Intruder Web Application Scanning vs Rexsser FAQ Common questions when comparing Intruder Web Application Scanning vs Rexsser for dynamic application security testing. ### What is the difference between Intruder Web Application Scanning and Rexsser? **Intruder Web Application Scanning**: DAST tool for scanning web apps and APIs for OWASP Top 10 vulnerabilities, built by Intruder. **Rexsser**: A Burp Suite plugin that extracts keywords from HTTP responses using regex patterns and tests for reflected XSS vulnerabilities within the target scope. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes Intruder Web Application Scanning and Rexsser? **Intruder Web Application Scanning** is made by Intruder. **Rexsser** is open-source with 75 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is Intruder Web Application Scanning a good alternative to Rexsser? Often, yes. Intruder Web Application Scanning and Rexsser are both Dynamic Application Security Testing products, and both cover XSS. Key differences: Intruder Web Application Scanning is Commercial while Rexsser is Free, Rexsser is open-source. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [Intruder Web Application Scanning vs Halo Security Application Scanning](https://cybersectools.com/compare/halo-security-application-scanning-vs-intruder-web-application-scanning) - [Intruder Web Application Scanning vs VulnSign Dynamic Application Security Testing](https://cybersectools.com/compare/intruder-web-application-scanning-vs-vulnsign-dynamic-application-security-testing) - [Intruder Web Application Scanning vs AppCheck SPA Scanner](https://cybersectools.com/compare/appcheck-spa-scanner-vs-intruder-web-application-scanning) - [Rexsser vs Halo Security Application Scanning](https://cybersectools.com/compare/halo-security-application-scanning-vs-rexsser) - [Rexsser vs VulnSign Dynamic Application Security Testing](https://cybersectools.com/compare/rexsser-vs-vulnsign-dynamic-application-security-testing) - [Rexsser vs AppCheck SPA Scanner](https://cybersectools.com/compare/appcheck-spa-scanner-vs-rexsser) ## Alternatives to each - [See all Intruder Web Application Scanning alternatives](https://cybersectools.com/alternatives/intruder-web-application-scanning) - [See all Rexsser alternatives](https://cybersectools.com/alternatives/rexsser) --- Source: https://cybersectools.com/compare/intruder-web-application-scanning-vs-rexsser For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/intruder-web-application-scanning.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Intruder Web Application Scanning and Rexsser: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md