Vulnerability · Published Apr 20, 2026 · Assigned by VulnCheck

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

Medium 4.8

In plain English

A medium-severity cross-site scripting in HelpDesk from GFI Software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 4% of all known vulnerabilities).

Severity (CVSS 3.1)4.8Medium

Exploit odds (30 days)0.2%top 95.7% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

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.

Affected products (as reported)

Vendor	Product	Versions
GFI Software	HelpDesk	0 – before 4.99.9

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

References

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