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CVE-2026-9588

Authenticated Stored Cross-Site Scripting (XSS) in Switchvox SMB Web Portal

Published: Jul 17, 2026Updated: Jul 17, 2026 Sources: CVE List NVDCWE-79
N/ACVSS
NVD MITRE
EPSS Score
0.4%
Top 65.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available
Self-Check
OpenVAS

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.

No summary for this CVE yet.

Weaknesses

CWE-79

Affected Products

Sangoma
commercial·CAaka asterisk, certified asterisk, freepbx
Switchvox SMB EditionOn-prem
Communications / voip-telephony

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques
Execution
Initial Access
View detailed technique mapping

References

https://sangomakb.atlassian.net/wiki/spaces/Switchvox/pages/1802371073/Switchvox+-+Release+Notes+Version+8.4.0.2+July+14+2026
sangomakb.atlassian.net
https://labs.sra.io/posts/switchvox/
labs.sra.io
News mentions
1

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