What’s Vulnerable › Vulnerabilities

CVE-2026-48539: GFI Archiver < 15.14 Stored XSS via MailInsights.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 2026-10-23
• Weakness: CWE-79

Description

GFI Archiver before 15.14 contains a stored cross-site scripting vulnerability in the MailInsights scheduled report configuration that allows authenticated attackers to inject arbitrary web script or HTML via the report name parameter to /Archiver/MailInsights.aspx. The injected payload is stored by ReportScheduling.btnSaveReport_Click() without output encoding and is executed in the browser of the user who created the scheduled report when they subsequently view the MailInsights page.

Affected products

• GFI Software GFI Archiver: before 15.14 — fixed in 15.14

How to fix

Upgrade to a fixed version: GFI Software GFI Archiver 15.14. 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-mailinsights-aspx

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