CVE-2026-23752

MEDIUM 4.8

GFI HelpDesk < 4.99.9 Stored XSS via companyname Parameter

CVSS Score

4.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-79
Vendor	gfi software
Product	helpdesk
Published	Apr 20, 2026
Last Updated	Apr 20, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Affected Versions

GFI Software / HelpDesk

0 < 4.99.9

References

NVD ↗ CVE.org ↗ EPSS Data ↗

gfi.ai: https://gfi.ai/products-and-solutions/email-and-messaging-solutions/helpdesk/resources/product-releases vulncheck.com: https://www.vulncheck.com/advisories/gfi-helpdesk-stored-xss-via-companyname-parameter

Credits

Alex Williams from Pellera Technologies VulnCheck