CVE-2026-23752

GFI HelpDesk < 4.99.9 Stored XSS via companyname Parameter

State: Published
Severity: 4.8 Medium
Published: Apr 20, 2026
Updated: Oct 1, 2026
Reserved: Jan 15, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	4.8 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N	VulnCheck
3.1	4.8 Medium	CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N	VulnCheck

Weaknesses

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Affected Products

Product	Versions
HelpDeskGFI Software	before 4.99.9Affected

References

https://gfi.ai/products-and-solutions/email-and-messaging-solutions/helpdesk/resources/product-releasesvendor-advisorypatch
https://www.vulncheck.com/advisories/gfi-helpdesk-stored-xss-via-companyname-parameterthird-party-advisory

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