CVE-2020-21087 Cross-site scripting in n/a

Medium 6.1 Published 14 Apr 2021 Updated 4 Aug 2024

Remote attackers can execute arbitrary code via XSS in the Rename a Module tool of X2CRM.

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: None listed

What is CVE-2020-21087?

CVE-2020-21087 is a medium-severity cross-site scripting vulnerability in n/a, published on 14 Apr 2021. 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

Cross Site Scripting (XSS) in X2Engine X2CRM v6.9 and older allows remote attackers to execute arbitrary code by injecting arbitrary web script or HTML via the "New Name" field of the "Rename a Module" tool.

Weakness: CWE-79

Which versions are affected by CVE-2020-21087?

It affects 1 product.

Products include X2engine X2crm.

How do I fix CVE-2020-21087?

No fix has been published for CVE-2020-21087 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-2020-21087 being exploited?

There is no known exploitation of CVE-2020-21087 in the wild and no public exploit code.

Sources

Also known as GHSA-qrm3-3qcc-mmqr.