Moderate severityNVD Advisory· Published May 24, 2021· Updated Sep 17, 2024
Open Redirect
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.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
trailing-slashnpm | < 2.0.1 | 2.0.1 |
Affected products
2- trailing-slash/trailing-slashdescription
Patches
Vulnerability mechanics
References
5- github.com/advisories/GHSA-rfhr-62xp-2fp2ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2021-23387ghsaADVISORY
- github.com/fardog/trailing-slash/blob/f640ece055fe85275c983de5eb94661b95e35670/index.js%23L36ghsax_refsource_MISCWEB
- github.com/fardog/trailing-slash/commit/f8e66f1429308247e5a119d430203077d8f05048ghsax_refsource_MISCWEB
- snyk.io/vuln/SNYK-JS-TRAILINGSLASH-1085707ghsax_refsource_MISCWEB
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