0l4bs Cross-site scripting labs vs awesome-vulnerable-apps: Side-by-Side Comparison (2026)

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.

awesome-vulnerable-apps

Security teams building internal cyber ranges or red team labs should use awesome-vulnerable-apps for its curated library of real vulnerable applications; the 1,229 GitHub stars reflect active community maintenance and regular updates rather than abandoned code. This works best for hands-on training where learners need to exploit actual CVEs in isolated environments, not for compliance checkbox exercises or managed security service delivery. Skip it if your team needs guided labs with scoring rubrics or instructor dashboards; awesome-vulnerable-apps is a raw ingredient list, not a packaged training platform.