CVE-2021-23384 — Open Redirect
The package koa-remove-trailing-slashes before 2.0.2 are vulnerable to Open Redirect via the use of trailing double slashes in the URL when accessing the vulnerable endpoint (su…
Published: 2021-05-17 · CVSS: 5.4 · CVSS 3.1
The package koa-remove-trailing-slashes before 2.0.2 are vulnerable to Open Redirect via the use of trailing double slashes in the URL when accessing the vulnerable endpoint (such as https://example.com//attacker.example/). The vulnerable code is in index.js::removeTrailingSlashes(), as the web server uses relative URLs instead of absolute URLs.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7