CVE-2026-48537
Received Received - Intake

Stored XSS in GFI Archiver File Archive Assistant

Publication date: 2026-07-23

Last updated on: 2026-07-23

Assigner: VulnCheck

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.

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Meta Information

Published
2026-07-23
Last Modified
2026-07-23
Generated
2026-07-23
AI Q&A
2026-07-23
EPSS Evaluated
N/A
NVD
CVE-2026-48537
EUVD
EUVD-2026-48296

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
gfi archiver to 15.13 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

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Executive Summary

This is a stored cross-site scripting (XSS) vulnerability in GFI Archiver versions before 15.13. It allows authenticated attackers to inject malicious scripts or HTML via the excluded extensions parameter in the File Archive Assistant configuration page. The injected payload is stored without proper encoding and later executed when other users view the settings page.

Detection Guidance

To detect this vulnerability, inspect the FileArchiveAssistantWizard.aspx page in GFI Archiver versions before 15.13 for stored XSS payloads in the excluded extensions parameter. Check server logs for suspicious input attempts or unusual HTML/script content in the settings page.

Impact Analysis

An attacker could steal session cookies, perform actions on behalf of users, or redirect users to malicious sites. Users with access to the File Archive Assistant settings page are at risk of having their browsers compromised by the stored payload.

Compliance Impact

This vulnerability could lead to unauthorized access to sensitive data, potentially violating GDPR's data protection requirements or HIPAA's security rules for protected health information. Organizations may face compliance penalties if user data is compromised through this flaw.

Mitigation Strategies

Upgrade GFI Archiver to version 15.13 or later to patch the vulnerability. If immediate upgrade is not possible, restrict access to the FileArchiveAssistantWizard.aspx page to trusted users only and monitor for unusual activity.

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