CVE-2026-23753
MEDIUM EPSS 4.7%
Published Apr 20, 20262mo ago · Modified Jun 17, 20261w ago
4.8 CVSS 4.0
Published Apr 20, 2026 2mo ago
Last Modified Jun 17, 2026 1w ago
Description
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Attack Vector Network
Attack Complexity Low
Privileges Required High
User Interaction P
Scope X
Threat Intelligence
EPSS Exploit Probability
4.7% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-79 Cross-site Scripting Injection
Affected Products 1
| Vendor | Product | Version | Range |
|---|---|---|---|
| gfi | helpdesk | * | <4.99.9 |
References 2
- 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-charset-parameter
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.