Medium severity · published Apr 20, 2026
CVE-2026-23752
GFI HelpDesk < 4.99.9 Stored XSS via companyname Parameter
4.8
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 4% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HE
HelpDesk · GFI Software
before 4.99.9 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-23752
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-23752
vendor-advisory
https://gfi.ai/products-and-solutions/email-and-messaging-solutions/helpdesk/resources/product-releases
third-party-advisory
https://www.vulncheck.com/advisories/gfi-helpdesk-stored-xss-via-companyname-parameter
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