GHSA-8PW3-9M7F-Q734 TinaCMS CLI Dev Server Vulnerable to Cross-Origin File Exfiltration via CORS Misconfiguration + Path Traversal in TinaCMS

Summary The TinaCMS CLI dev server combines a permissive CORS configuration Access-Control-Allow-Origin: with the path traversal vulnerability previously reported to enable a browser-based drive-by attack. A remote attacker can enumerate the filesystem, write arbitrary files, and delete arbitrary...