Stored Cross-Site Scripting Vulnerability in GFI Archiver by GFI Software
CVE-2026-48534

5.1MEDIUM

Key Information:

Vendor

Gfi Software

Status
Gfi Archiver
Vendor
CVE Published:
23 July 2026

What is CVE-2026-48534?

GFI Archiver prior to version 15.13 is vulnerable to a stored cross-site scripting flaw in the IMAP Server configuration. Authenticated attackers can exploit this vulnerability to inject arbitrary web scripts or HTML through the server URL parameter, specifically targeting /Archiver/ImapServerWizard.aspx. The IMAP Server Wizard's SaveAllConfigSettings() function saves the malicious payload without proper output encoding, leading to execution in the browsers of any users accessing the configuration page.

Affected Version(s)

GFI Archiver 0

References

https://gfi.ai/products-and-solutions/network-security-so...
release-notes
https://www.vulncheck.com/advisories/gfi-archiver-stored-...
third-party-advisory

CVSS V4

Score:
5.1
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Alex Williams from Pellera Technologies
VulnCheck
.