Vulnerability · Published Jul 23, 2026 · Assigned by VulnCheck

CVE-2026-48537GFI Archiver < 15.13 Stored XSS via FileArchiveAssistantWizard.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 File Archive Assistant configuration that allows authenticated attackers to inject arbitrary web script or HTML via the excluded extensions parameter to /Archiver/FileArchiveAssistantWizard.aspx. The injected payload is stored by FileArchiveAssistantWizard.btnSave_Click() without output encoding and is executed in the browsers of users who subsequently view the File Archive Assistant settings 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-filearchiveassistantwizard-aspx third-party-advisory