0l4bs Cross-site scripting labs vs OWASP Juice Shop CTF Extension: 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. OWASP Juice Shop CTF Extension 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.
OWASP Juice Shop CTF Extension
Security training leads running internal CTF programs will move faster with OWASP Juice Shop CTF Extension because it eliminates manual event scaffolding across multiple CTF platforms through a single CLI. The tool ships with 462 GitHub stars and zero licensing cost, making it the lowest-friction option for teams already standardized on Juice Shop's intentionally vulnerable application. Skip this if your organization needs a managed platform that handles player registration, scoring dashboards, and post-event analytics; this is automation for the infrastructure layer, not the tournament layer.
