CVE-2026-9588 – Authenticated Stored Cross-Site Scripting (XSS) in Switchvox SMB Web Portal

CVE ID :CVE-2026-9588

Published : July 17, 2026, 5:17 p.m. | 21 minutes ago

Description :A stored cross-site scripting (XSS) vulnerability exists in Sangoma Switchvox SMB Edition 8.3 (104997) within the voicemail notification template functionality. The submit_modify_voicemail_template endpoint fails to properly sanitize HTML content supplied by authenticated users, allowing malicious JavaScript supplied through the template_text parameter to be stored server-side and subsequently rendered to other users.

Severity: 7.0 | HIGH

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