Is CVE-2026-48535 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-48535 being exploited in the wild.

How severe is CVE-2026-48535?

Medium severity, with a CVSS score of 5.4, published 23 July 2026.

Which products and versions are affected?

GFI Software Archiver before 15.13.

Is there a fix for CVE-2026-48535?

No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

How is CVE-2026-48535 attacked?

It is attacked over the network, in a network appliance.

Am I affected by CVE-2026-48535?

Check whether you run GFI Software Archiver at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-48535: GFI Archiver stored XSS in Call Home proxy configuration

CVE-2026-48535 · Severity: medium · CVSS 5.4 · Published 2026-07-23

GFI Archiver, a solution used for archiving corporate emails and files, contains a security flaw in its configuration settings. An authorized user can inject malicious code into the system's proxy server settings, which will then run in the browsers of other administrators who view those settings. This could allow an attacker to perform unauthorized actions or steal sensitive session information from other users.

Technologies: GFI Software Archiver. Vendors: GFI Software.

Quick answers

Is CVE-2026-48535 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-48535 being exploited in the wild.
How severe is CVE-2026-48535?: Medium severity, with a CVSS score of 5.4, published 23 July 2026.
Which products and versions are affected?: GFI Software Archiver before 15.13.
Is there a fix for CVE-2026-48535?: No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-48535 attacked?: It is attacked over the network, in a network appliance.
Am I affected by CVE-2026-48535?: Check whether you run GFI Software Archiver at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

A stored cross-site scripting (XSS) vulnerability exists in GFI Archiver versions prior to 15.13. The flaw is located in the /Archiver/CallHomeSettingsWizard.aspx component, specifically within the proxy server address parameter. The SaveAllConfigSettings() function fails to perform proper output encoding before storing the input. An authenticated attacker can exploit this by submitting a malicious payload that is subsequently executed in the context of any user (typically an administrator) who visits the General Settings Additional Settings page. This vulnerability is tracked as CVE-2026-48535 and is resolved in version 15.13.

Affected products

GFI Software Archiver before 15.13

Timeline

2026-07-23: disclosed
2026-07-23: advisory

References

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