cors-scanner vs WhatWeb: Side-by-Side Comparison (2026)
Features, pricing, ratings, and pros & cons — compared head-to-head.
cors-scanner is a free security scanning tool. WhatWeb is a free security scanning tool. Compare features, ratings, integrations, and community reviews side by side to find the best security scanning fit for your security stack.
CST VerdictBased on our analysis of available product data, here is our conclusion:
AppSec teams running frequent penetration tests or red team assessments will get the most from cors-scanner; its multi-threaded architecture finds CORS misconfigurations faster than serial scanners, which matters when you're scanning hundreds of endpoints in a single engagement. The free, open-source model means you can spin it up in CI/CD pipelines without vendor lock-in or licensing overhead. Skip this if you need automated continuous monitoring of CORS policies across production,cors-scanner is a point-in-time scanner, not a compliance watch tool, and the low GitHub star count suggests limited community maintenance and slower updates to catch new bypasses.
Penetration testers and security researchers doing reconnaissance will find WhatWeb invaluable for passive technology fingerprinting across hundreds of targets simultaneously; its plugin architecture identifies 6,000+ web technologies and CMS variants that commercial scanners miss or charge extra to detect. The tool's free, open-source nature and 6,054 GitHub stars mean you get maintained detection rules without vendor lock-in. Skip this if you need active vulnerability scanning or compliance reporting; WhatWeb stops at "what's running," not "what's broken.
