CVE-2021-43584 Cross-site scripting in n/a

Medium 4.8 Published Updated

Attackers can execute arbitrary code via DOM-based XSS in the Tail Event Logs filtering feature of Nagios NCPA.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2021-43584?

CVE-2021-43584 is a medium-severity cross-site scripting vulnerability in n/a, published on 24 Jan 2024. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

DOM-based Cross Site Scripting (XSS vulnerability in 'Tail Event Logs' functionality in Nagios Nagios Cross-Platform Agent (NCPA) before 2.4.0 allows attackers to run arbitrary code via the name element when filtering for a log.

Weakness: CWE-79

Which versions are affected by CVE-2021-43584?

It affects 1 product.

Products include Nagios Nagios Cross Platform Agent.

How do I fix CVE-2021-43584?

No fix has been published for CVE-2021-43584 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-2021-43584 being exploited?

There is no known exploitation of CVE-2021-43584 in the wild and no public exploit code.

Sources

Also known as GHSA-3w6g-cv32-6cpq.

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