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

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.

Affected Products

Vendor	Product	Versions
sangoma	switchvox smb edition	8.3 (104997)

References

https://sangomakb.atlassian.net/wiki/spaces/Switchvox/pages/1802371073/Switchvox+-+Release+Notes+Version+8.4.0.2+July+14+2026(release-notes)
https://labs.sra.io/posts/switchvox/(third-party-advisory)

Related News (1 articles)

Tier C

VulDB46d ago

CVE-2026-9588 | Sangoma Switchvox 8.3 Template template_text cross site scripting

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CISA KEV❌ No

Actively exploited❌ No

Patch available

8.4.0.2

CWECWE-79

PublishedJul 17, 2026

Trending Score0

Source articles1

Independent1

Info Completeness0/14

Missing: cve_id, title, description, vendor, product, versions, cvss, epss, cwe, kev, exploit, patch, iocs, mitre_attack

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

Description

Affected Products

References

Related News (1 articles)

Discussion (0)

Community Vote

Related CVEs (3)

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