CVE-2021-46677 Vulnerability XSS in Event filter name field

Medium 4.0 Published 5 Aug 2022 Updated 2 Jun 2026

An attacker can execute arbitrary JavaScript code via the event filter name field in Pandora FMS, potentially compromising user sessions.

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

What is CVE-2021-46677?

CVE-2021-46677 is a medium-severity cross-site scripting vulnerability in Artica PFMS Pandora FMS, published on 5 Aug 2022. 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 XSS vulnerability exist in Pandora FMS version 756 and below, that allows an attacker to perform javascript code executions via the event filter name field.

Weakness: CWE-79

Which versions are affected by CVE-2021-46677?

It affects 1 product.

Products include Pandorafms Pandora Fms.

How do I fix CVE-2021-46677?

No fix has been published for CVE-2021-46677 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-2021-46677 being exploited?

There is no known exploitation of CVE-2021-46677 in the wild and no public exploit code.

Sources

Also known as GHSA-45w6-cx5f-5rgj.