CVE-2021-32850 jQuery MiniColors vulnerable to Cross-site Scripting
An attacker can execute arbitrary scripts in the victim's browser by providing malicious color names to the jQuery MiniColors library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2021-32850?
CVE-2021-32850 is a medium-severity cross-site scripting vulnerability in npm @claviska/jquery-minicolors, published on 20 Feb 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
jQuery MiniColors is a color picker built on jQuery. Prior to version 2.3.6, jQuery MiniColors is prone to cross-site scripting when handling untrusted color names. This issue is patched in version 2.3.6.
Weakness: CWE-79
Which versions are affected by CVE-2021-32850?
2 open source packages ship an affected version, including @claviska/jquery-minicolors. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
@claviska/jquery-minicolors npm | All versions | 2.3.6 |
@claviska/jquery-minicolors npm | All versions | 2.3.6 |
Products include Jquery-Minicolors Project Jquery-Minicolors.
How do I fix CVE-2021-32850?
Upgrade @claviska/jquery-minicolors to 2.3.6 or later.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2021-32850 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-32850 exists.
Sources
Also known as CVE-2021-4243, DEBIAN-CVE-2021-32850, GHSA-crh5-vv2v-c82q, MGASA-2024-0052, UBUNTU-CVE-2021-32850.