CVE-2026-23752 GFI HelpDesk < 4.99.9 Stored XSS via companyname Parameter

Medium 4.8 Published Updated

Authenticated administrators can inject malicious JavaScript via the companyname parameter, leading to script execution in other administrators' browsers.

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-2026-23752?

CVE-2026-23752 is a medium-severity cross-site scripting vulnerability in GFI Software HelpDesk, published on 20 Apr 2026. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

GFI HelpDesk before 4.99.9 contains a stored cross-site scripting vulnerability in the template group creation and editing functionality that allows authenticated administrators to inject arbitrary JavaScript by manipulating the companyname POST parameter without HTML sanitization. Attackers can inject malicious scripts through the companyname field that execute in the browsers of any administrator viewing the Templates > Groups page.

Weakness: CWE-79

Which versions are affected by CVE-2026-23752?

It affects 1 product.

Products include Gfi Helpdesk.

How do I fix CVE-2026-23752?

No fix has been published for CVE-2026-23752 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-2026-23752 being exploited?

There is no known exploitation of CVE-2026-23752 in the wild and no public exploit code.

Sources

Also known as GHSA-6cc4-jwpj-2vp9.

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