CVE-2026-9588: CWE-79 Improper neutralization of input during web page generation ('cross-site scripting') in Sangoma Switchvox SMB Edition
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.
CVE-2026-9588: CWE-79 Improper neutralization of input during web page generation ('cross-site scripting') in Sangoma Switchvox SMB Edition
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.
CVSS v4.0
Score 7.0high
Weaknesses
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- SRA
- Date Reserved
- 2026-05-26T13:03:32.678Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a5b5ebc2d1edb114c7fb839
Added to database: 07/18/2026, 11:08:44 UTC
Last updated: 07/18/2026, 11:08:44 UTC
Views: 1
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