CVE-2026-48534

MEDIUM 5.4

GFI Archiver < 15.13 Stored XSS via ImapServerWizard.aspx

CVSS Score

5.4

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-79
Vendor	gfi software
Product	gfi archiver
Published	Jul 23, 2026
Last Updated	Jul 23, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Affected Versions

GFI Software / GFI Archiver

0 < 15.13

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

Alex Williams from Pellera Technologies VulnCheck