CVE-2021-23387

Medium

Description

The package trailing-slash before 2.0.1 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::createTrailing(), as the web server uses relative URLs instead of absolute URLs.

SeverityMedium
CVSS5.4
Exploit probability—
ProductTrailing-slash
PublishedMay 24, 2021
First seenMay 24, 2021

How to fix

Update
  • trailing-slash_project trailing-slash2.0.1 or later
  • trailing-slash2.0.1 or later

Affected products

ProductAffected versionsFixed in
trailing-slash_project trailing-slashv < 2.0.12.0.1
trailing-slashnpmv < 2.0.12.0.1

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CVE-2021-23387 · Trailing-slash · Dark Radar