0l4bs Cross-site scripting labs vs Haaukins: Side-by-Side Comparison (2026)
Features, pricing, ratings, and pros & cons — compared head-to-head.
0l4bs Cross-site scripting labs is a free cyber range training tool. Haaukins is a free cyber range training tool. Compare features, ratings, integrations, and community reviews side by side to find the best cyber range training fit for your security stack.
CST VerdictBased on our analysis of available product data, here is our conclusion:
0l4bs Cross-site scripting labs
Security teams building internal training programs or running capture-the-flag events need 0l4bs Cross-site scripting labs because it teaches XSS exploitation mechanics hands-on without requiring infrastructure setup or licensing; the 20 labs cover realistic filtering bypasses that developers actually encounter in code review. The free pricing and 334 GitHub stars signal actual adoption among practitioners, not just theoretical content. Skip this if your goal is to measure XSS vulnerability remediation across your application portfolio; this is a learning tool, not a scanner that finds XSS in production code.
Security teams building internal training programs or running capture-the-flag competitions will get the most from Haaukins because it automates environment provisioning at zero cost, letting you focus on exercise design instead of infrastructure management. The platform runs on GitHub and has been deployed by security educators who need repeatable, vulnerable labs without licensing friction. Skip this if you need managed services, instructor dashboards, or certification-aligned curricula; Haaukins is a self-hosted builder's tool, not a turnkey training platform.
