# CVE-2026-23756: GFI HelpDesk before 4.99.9 contains a stored cross-site scripting vulnerability in the Troubleshooter module where the…

Source: https://junglewise.ai/threats/cve-2026-23756-gfi-helpdesk-before-4-99-9-contains-a-stored-cross-site-scripting  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-04-20  
License: CC BY 4.0 with a link back

CVE-2026-23756 · Severity: medium · CVSS 5.4 · Published 2026-04-20

GFI HelpDesk before 4.99.9 contains a stored cross-site scripting vulnerability in the Troubleshooter module where the subject POST parameter is not sanitized in Controller_Step.InsertSubmit() and EditSubmit() before being rendered by View_Step.RenderViewSteps(). An authenticated staff member can inject arbitrary JavaScript into the step subject field, and the payload executes when any user navigates to Troubleshooter > View Troubleshooter and clicks the affected step link.

Technologies: [GFI Helpdesk](https://junglewise.ai/threats/technologies/gfi-helpdesk). Vendors: [GFI](https://junglewise.ai/threats/vendors/gfi).

## Quick answers

**Is CVE-2026-23756 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-23756 being exploited in the wild.

**How severe is CVE-2026-23756?** Medium severity, with a CVSS score of 5.4, published 20 April 2026.

**Which products and versions are affected?** GFI Helpdesk. The advisory does not name versions.

**Is there a fix for CVE-2026-23756?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**Am I affected by CVE-2026-23756?** Check whether you run GFI Helpdesk. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- GFI Helpdesk

## Related threats

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