High severityNVD Advisory· Published Jul 17, 2026· Updated Jul 17, 2026

CVE-2026-9585

Description

An unauthenticated reflected cross-site scripting (XSS) vulnerability exists in Sangoma Switchvox SMB Edition version 8.3 (104997). The application fails to properly sanitize the portal parameter supplied to the invalid_browser and invalid_browser_login handlers. User-supplied data is reflected into JavaScript generated by the application, allowing attacker-controlled script execution within a victim's browser.

Affected products

Freepbx/Switchvox SMB Editionllm-create
Range: = 8.3 (104997)
Freepbx/Switchvoxllm-create
Range: = 8.3 (104997)

Patches

Vulnerability mechanics

References

labs.sra.io/posts/switchvox/nvd
sangomakb.atlassian.net/wiki/spaces/Switchvox/pages/1802371073/Switchvox+-+Release+Notes+Version+8.4.0.2+July+14+2026nvd

News mentions

⚡ Weekly Recap: Chrome 0-Day, Router Hijacks, Coder Supply Chain Attack and More
The Hacker News · Sep 7, 2026

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