CVE-2026-9585

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.

Score

CVSS 4.0 8.6 High

Status

Deferred - 57dba5dd-1a03-47f6-8b36-e84e47d335d8

Published

2026-07-17

Last modified

2026-10-24

Weaknesses

CWE-79

Affected products

• Switchvox Smb Edition (Sangoma)

References

• https://sangomakb.atlassian.net/wiki/spaces/Switchvox/pages/1802371073/Switchvox+-+Release+Notes+Version+8.4.0.2+July+1…
• https://labs.sra.io/posts/switchvox/