XSS in Gfi Helpdesk
CVE-2026-23757
GFI HelpDesk before 4.99.10 contains a stored cross-site scripting vulnerability in the Reports module where the title parameter is passed directly to SWIFT_Report::Create() without HTML sanitization. Attackers can inject arbitrary JavaScript into the report title field when creating or editing a report, and the payload executes when staff members view and click the affected report link in the Manage Reports interface.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.001 (2.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 2.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000
Affected products
- Gfi Helpdesk
- Gfi Software Helpdesk — versions 0
Weakness classification (CWE)
References
- gfi.ai/products-and-solutions/email-and-messaging-solutions/helpdesk/resources/… (vendor-advisory, Release Notes, patch)
- www.vulncheck.com/advisories/gfi-helpdesk-stored-xss-via-reports-module (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-23757?
- CVE-2026-23757 is a medium-severity vulnerability in Gfi Helpdesk, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-04-20.
- How severe is CVE-2026-23757?
- Medium severity. CVSS v3 base score is 5.4 out of 10.