GFI Archiver up to 15.12 File Archive Assistant FileArchiveAssistantWizard.aspx FileArchiveAssistantWizard.btnSave_Click excluded extensions cross site scripting

Summaryinfo

A vulnerability marked as problematic has been reported in GFI Archiver up to 15.12. This impacts the function FileArchiveAssistantWizard.btnSave_Click of the file /Archiver/FileArchiveAssistantWizard.aspx of the component File Archive Assistant. Performing a manipulation of the argument excluded extensions results in cross site scripting. This vulnerability was named CVE-2026-48537. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability classified as problematic has been found in GFI Archiver up to 15.12. This affects the function FileArchiveAssistantWizard.btnSave_Click of the file /Archiver/FileArchiveAssistantWizard.aspx of the component File Archive Assistant. The manipulation of the argument excluded extensions with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as 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. This is going to have an impact on integrity. The summary by CVE is:

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.

It is possible to read the advisory at gfi.ai. This vulnerability is uniquely identified as CVE-2026-48537 since 05/21/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

By approaching the search of inurl:Archiver/FileArchiveAssistantWizard.aspx it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 15.13 eliminates this vulnerability.

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Productinfo

Vendor

• GFI

Name

• Archiver

Version

• 15.0
• 15.1
• 15.2
• 15.3
• 15.4
• 15.5
• 15.6
• 15.7
• 15.8
• 15.9
• 15.10
• 15.11
• 15.12

CPE 2.3info

• 🔒
• 🔒
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CPE 2.2info

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• 🔒

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