CVE-2026-48534: 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 IMAP Server configuration that allows authenticated attackers to inject arbitrary web script or HTML via the server URL parameter to /Archiver/ImapServerWizard.aspx. The injected payload is stored by ImapServerWizard.SaveAllConfigSettings() without output encoding and is executed in the browsers of users who subsequently view the IMAP Server configuration page.

Affected products

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

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