CVE-2026-9588 — Authenticated Stored Cross-Site Scripting (XSS) in Switchvox SMB Web Portal
A stored cross-site scripting (XSS) vulnerability exists in Sangoma Switchvox SMB Edition 8.3 (104997) within the voicemail notification template functionality. The submit_modif…
Published: 2026-07-17 · CVSS: 7.0 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7