CVE-2022-50942 Incinga Web 2.8.2 Client-Side Cross-Site Scripting via EventListener

Medium 4.8 Published Updated

Remote attackers can inject malicious scripts via the EventListener method in Incinga Web, leading to session hijacking and phishing.

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

What is CVE-2022-50942?

CVE-2022-50942 is a medium-severity cross-site scripting vulnerability in Incinga Web, published on 1 Feb 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Incinga Web 2.8.2 contains a client-side cross-site scripting vulnerability that allows remote attackers to inject malicious script codes through the icinga.min.js file. Attackers can exploit the EventListener.handleEvent method to execute arbitrary scripts, potentially leading to session hijacking and non-persistent phishing attacks.

Weakness: CWE-79

Which versions are affected by CVE-2022-50942?

How do I fix CVE-2022-50942?

No fix has been published for CVE-2022-50942 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-2022-50942 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-50942 exists.

Sources

Also known as DEBIAN-CVE-2022-50942, GHSA-x82w-84rw-p4qf, UBUNTU-CVE-2022-50942.

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