CVE-2026-48537: Gfi Software Gfi Archiver

Medium severity, CVSS 5.4. EPSS: 0.2% chance of exploitation in the next 30 days.

GFI Archiver before 15.13 contains a stored cross-site scripting vulnerability in the File Archive Assistant configuration that allows authenticated attackers to inject arbitrary web script or HTML via the excluded extensions parameter to /Archiver/FileArchiveAssistantWizard.aspx. The injected payload is stored by FileArchiveAssistantWizard.btnSave_Click() without output encoding and is executed in the browsers of users who subsequently view the File Archive Assistant settings page.

Affected products

• Gfi Software Gfi Archiver: before 15.13 (fixed in 15.13)

Published 2026-07-23. Last modified 2026-07-23.