CVE-2022-25839 Improper Input Validation
An attacker can spoof hostnames in the url-js library by exploiting improper input validation during URL parsing, potentially bypassing security checks.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-25839?
CVE-2022-25839 is a medium-severity vulnerability in url-js, published on 11 Mar 2022. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-20
Which versions are affected by CVE-2022-25839?
2 open source packages ship an affected version, including url-js. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
url-js npm | All versions | 2.1.0 |
url-js npm | All versions | 2.1.0 |
Products include Url-Js Project Url-Js.
How do I fix CVE-2022-25839?
Upgrade url-js to 2.1.0 or later.
Is CVE-2022-25839 being exploited?
There is no known exploitation of CVE-2022-25839 in the wild and no public exploit code.
Sources
Also known as GHSA-rf54-44jr-q5vf, SNYK-JS-URLJS-2414030.