Vulnerability · Published Jul 23, 2026 · Assigned by VulnCheck

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

Medium 5.4

In plain English

A medium-severity cross-site scripting in GFI Archiver from GFI Software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 14% of all known vulnerabilities).

Severity (CVSS 3.1)5.4Medium

Exploit odds (30 days)0.2%top 85.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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 (as reported)

Vendor	Product	Versions
GFI Software	GFI Archiver	0 – before 15.13

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

References

Release Notes release-notes
https://www.vulncheck.com/advisories/gfi-archiver-stored-xss-via-imapserverwizard-aspx third-party-advisory