CVE-2021-35239 Stored XSS in Maps text box hyperlink Vulnerability

High 7.5 Published 31 Aug 2021 Updated 4 Aug 2024

Attackers with map management rights can inject malicious scripts via hyperlinks, potentially compromising user sessions or executing code.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2021-35239?

CVE-2021-35239 is a high-severity cross-site scripting vulnerability in SolarWinds Orion Platform, published on 31 Aug 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

A security researcher found a user with Orion map manage rights could store XSS through via text box hyperlink.

Weakness: CWE-79

Which versions are affected by CVE-2021-35239?

It affects 1 product.

Products include Solarwinds Orion Platform.

How do I fix CVE-2021-35239?

No fix has been published for CVE-2021-35239 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-2021-35239 being exploited?

There is no known exploitation of CVE-2021-35239 in the wild and no public exploit code.

Sources

Also known as GHSA-rrm3-2q9w-fc44.