CVE-2022-25839

Public Exploit
Improper Input Validation

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.

Category

4.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.19%
Third-Party Advisory github.com Third-Party Advisory snyk.io
Affected: n/a url-js
Published at:
Updated at:

References

Link Tags
https://snyk.io/vuln/SNYK-JS-URLJS-2414030 exploit third party advisory patch
https://github.com/duzun/URL.js/commit/9dc9fcc99baa4cbda24403d81a589e9b0f4121d0 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2022-25839?
CVE-2022-25839 has been scored as a medium severity vulnerability.
How to fix CVE-2022-25839?
To fix CVE-2022-25839, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-25839 being actively exploited in the wild?
It is possible that CVE-2022-25839 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-25839?
CVE-2022-25839 affects n/a url-js.
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