CVE-2026-48534

Medium

Description

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.

SeverityMedium

CVSS5.4

Exploit probability—

ProductGFI Archiver

PublishedJul 23, 2026

First seenJul 23, 2026

Weakness typeCWE-79Cross-site scripting (XSS)

How to fix

Update

GFI Software GFI Archiver15.13 or later

Vendor advisories

gfi.ai/products-and-solutions/network-security-solutions/archiver/resources/documentation/product-releases

Affected products

Product	Affected versions	Fixed in
GFI Software GFI Archiver	v < 15.13	15.13

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