CVE-2026-48535
Received Received - Intake

Stored XSS in GFI Archiver Call Home Proxy Configuration

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 Call Home proxy server configuration that allows authenticated attackers to inject arbitrary web script or HTML via the proxy server address parameter to /Archiver/CallHomeSettingsWizard.aspx. The injected payload is stored by CallHomeSettingsWizard.SaveAllConfigSettings() without output encoding and is executed in the browsers of users who subsequently view the General Settings Additional 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-2026-48535
EUVD
EUVD-2026-48294

Affected Vendors & Products

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

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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

CVE-2026-48535 is a stored cross-site scripting (XSS) vulnerability in GFI Archiver versions before 15.13. It allows authenticated attackers to inject malicious scripts via the proxy server address parameter in the CallHomeSettingsWizard.aspx page. The injected payload is stored without proper encoding and later executed when users view the General Settings Additional Settings page.

Detection Guidance

To detect this vulnerability, inspect GFI Archiver versions before 15.13 for unauthorized modifications to the Call Home proxy server address parameter in the CallHomeSettingsWizard.aspx page. Check server logs for suspicious input in proxy server configurations.

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 General Settings Additional Settings page are at risk of having their browsers execute the injected scripts.

Compliance Impact

This vulnerability could lead to unauthorized access to sensitive data, potentially violating GDPR's data protection requirements and 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 CallHomeSettingsWizard.aspx page and monitor for unusual activity in proxy server configurations.

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