What’s Vulnerable › Vulnerabilities

CVE-2026-48534: GFI Archiver < 15.13 Stored XSS via ImapServerWizard.aspx

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-07-23 · updated 2026-10-24
• Weakness: CWE-79

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.

Affected products

• GFI Software GFI Archiver: before 15.13 — fixed in 15.13

How to fix

Upgrade to a fixed version: GFI Software GFI Archiver 15.13. Check the vendor advisory for mitigations.

References

• https://gfi.ai/products-and-solutions/network-security-solutions/archiver/resources/documentation/product-releases
• https://www.vulncheck.com/advisories/gfi-archiver-stored-xss-via-imapserverwizard-aspx

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