Tuesday, May 25, 2021

CVE-2021-23387

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.

References to Advisories, Solutions, and Tools


References to Advisories, Solutions, and Tools

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Resourcehttps://github.com/fardog/trailing-slash/blob/f640ece055fe85275c983de5eb94661b95e35670/index.js%23L36https://github.com/fardog/trailing-slash/commit/f8e66f1429308247e5a119d430203077d8f05048https://snyk.io/vuln/SNYK-JS-TRAILINGSLASH-1085707
 

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Thanks for everything Templateism - You should have written the code a little more complicated