CVE-2021-28461 Dynamics Finance and Operations Cross-site Scripting Vulnerability

Medium 6.1 Published 11 May 2021 Updated 3 Aug 2024

An attacker can inject malicious scripts into Dynamics 365 Finance and Operations, potentially executing code or stealing data.

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-2021-28461?

CVE-2021-28461 is a medium-severity cross-site scripting vulnerability in Microsoft Dynamics 365, published on 11 May 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

Dynamics Finance and Operations Cross-site Scripting Vulnerability

Weakness: CWE-79

Which versions are affected by CVE-2021-28461?

It affects 1 product.

Products include Microsoft Dynamics 365.

How do I fix CVE-2021-28461?

No fix has been published for CVE-2021-28461 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-2021-28461 being exploited?

There is no known exploitation of CVE-2021-28461 in the wild and no public exploit code.

All Microsoft Dynamics 365 vulnerabilities

Sources

Also known as GHSA-xjmv-3379-gmjr.