Vulnerability Description
GFI HelpDesk before 4.99.9 contains a stored cross-site scripting vulnerability in the ticket subject field that allows authenticated staff members to inject malicious JavaScript by manipulating the editsubject POST parameter. Attackers can inject XSS payloads through inadequate sanitization in Controller_Ticket.EditSubmit() that bypass the incomplete SanitizeForXSS() method to execute arbitrary JavaScript when other staff members or administrators view the affected ticket.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gfi | Helpdesk | < 4.99.9 |
Related Weaknesses (CWE)
References
- https://gfi.ai/products-and-solutions/email-and-messaging-solutions/helpdesk/resRelease Notes
- https://www.vulncheck.com/advisories/gfi-helpdesk-stored-xss-via-editsubject-parThird Party Advisory
FAQ
What is CVE-2026-23758?
CVE-2026-23758 is a vulnerability with a CVSS score of 5.4 (MEDIUM). GFI HelpDesk before 4.99.9 contains a stored cross-site scripting vulnerability in the ticket subject field that allows authenticated staff members to inject malicious JavaScript by manipulating the e...
How severe is CVE-2026-23758?
CVE-2026-23758 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-23758?
Check the references section above for vendor advisories and patch information. Affected products include: Gfi Helpdesk.