CVE-2021-4121 Cross-site Scripting (XSS) - Stored in yetiforcecompany/yetiforcecrm

Medium 6.4 Published 16 Dec 2021 Updated 3 Aug 2024

Attackers can inject malicious scripts into the YetiForce CRM application, potentially stealing user data or executing code in victim browsers.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2021-4121?

CVE-2021-4121 is a medium-severity cross-site scripting vulnerability in yetiforcecompany/yetiforcecrm, published on 16 Dec 2021. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

yetiforcecrm is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Weakness: CWE-79

Which versions are affected by CVE-2021-4121?

2 open source packages ship an affected version, including yetiforce/yetiforce-crm. It affects 1 product.

Package	Affected	Fixed in
`yetiforce/yetiforce-crm` Packagist	All versions to `6.3.0`	None
`yetiforce/yetiforce-crm` Packagist	All versions to `6.3.0`	None

Products include Yetiforce Yetiforce Customer Relationship Management.

How do I fix CVE-2021-4121?

No fix has been published for CVE-2021-4121 yet. Limit exposure of the affected software until one is available.

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-2021-4121 being exploited?

There is no known exploitation of CVE-2021-4121 in the wild and no public exploit code.

Sources

Also known as GHSA-j85f-xw9x-ffwp.