CVE-2022-25839

MediumCVSS 5.3/10Last modified Jun 17, 2026

Description

The package url-js before 2.1.0 are vulnerable to Improper Input Validation due to improper parsing, which makes it is possible for the hostname to be spoofed. http://\\\\\\\\localhost and http://localhost are the same URL. However, the hostname is not parsed as localhost, and the backslash is reflected as it is.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Weakness enumeration

CWE-20

Affected software

Vendor	Product	Versions
n/a	url-js	>= unspecified, < 2.1.0

References

https://github.com/duzun/URL.js/commit/9dc9fcc99baa4cbda24403d81a589e9b0f4121d0Patch, Third Party Advisory
https://snyk.io/vuln/SNYK-JS-URLJS-2414030Exploit, Patch, Third Party Advisory
https://github.com/duzun/URL.js/commit/9dc9fcc99baa4cbda24403d81a589e9b0f4121d0Patch, Third Party Advisory
https://snyk.io/vuln/SNYK-JS-URLJS-2414030Exploit, Patch, Third Party Advisory

Timeline

Published: Mar 11, 2022
Last modified: Jun 17, 2026
NVD status: Modified

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