CVE-2026-23753: GFI HelpDesk before 4.99.9 contains a stored cross-site scripting vulnerability in the language management…
CVE-2026-23753 · Severity: medium · CVSS 4.8 · Published 2026-04-20
GFI HelpDesk before 4.99.9 contains a stored cross-site scripting vulnerability in the language management functionality where the charset POST parameter is passed directly to SWIFT_Language::Create() without HTML sanitization and subsequently rendered unsanitized by View_Language.RenderGrid(). An authenticated administrator can inject arbitrary JavaScript through the charset field when creating or editing a language, and the payload executes in the browser of any administrator viewing the Languages page.
No. Junglewise Threat Intelligence has no report of CVE-2026-23753 being exploited in the wild.
How severe is CVE-2026-23753?
Medium severity, with a CVSS score of 4.8, published 20 April 2026.
Which products and versions are affected?
GFI Helpdesk. The advisory does not name versions.
Is there a fix for CVE-2026-23753?
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-2026-23753?
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.