webpack-dev-server vulnerable to cross-origin source code exposure on non-HTTPS origins

Impact When webpack-dev-server is running on a non-HTTPS origin the default, cross-origin requests from malicious websites can load the dev server's JavaScript bundles via tags. The fix introduced in v5.2.1 CVE-2025-30359 relied on Sec-Fetch-Mode and Sec-Fetch-Site request headers to block these...