Logo
-

Byte Open Security

(ByteOS Network)

Log In

Sign Up

ByteOS

Security
Vulnerability Details
Registries
Custom Views
Weaknesses
Attack Patterns
Filters & Tools
Vulnerability Details :

CVE-2026-9588

Summary
Assigner-SRA
Assigner Org ID-57dba5dd-1a03-47f6-8b36-e84e47d335d8
Published At-17 Jul, 2026 | 15:59
Updated At-17 Jul, 2026 | 16:42
Rejected At-
Credits

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_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.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:SRA
Assigner Org ID:57dba5dd-1a03-47f6-8b36-e84e47d335d8
Published At:17 Jul, 2026 | 15:59
Updated At:17 Jul, 2026 | 16:42
Rejected At:
▼CVE Numbering Authority (CNA)
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_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
Sangoma Technologies Corp.Sangoma
Product
Switchvox SMB Edition
Default Status
unaffected
Versions
Affected
  • From 8.3 (104997) before 8.4.0.2 (semver)
Problem Types
TypeCWE IDDescription
CWECWE-79CWE-79 Improper neutralization of input during web page generation ('cross-site scripting')
Type: CWE
CWE ID: CWE-79
Description: CWE-79 Improper neutralization of input during web page generation ('cross-site scripting')
Metrics
VersionBase scoreBase severityVector
4.07.0HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:H/VA:N/SC:L/SI:L/SA:L
Version: 4.0
Base score: 7.0
Base severity: HIGH
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:H/VA:N/SC:L/SI:L/SA:L
Metrics Other Info
Impacts
CAPEC IDDescription
CAPEC-63CAPEC-63 Cross-Site Scripting (XSS)
CAPEC ID: CAPEC-63
Description: CAPEC-63 Cross-Site Scripting (XSS)
Solutions
Configurations
Workarounds
Exploits
Credits
finder
Cam Lischke (SRA)
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
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
Hyperlink: https://sangomakb.atlassian.net/wiki/spaces/Switchvox/pages/1802371073/Switchvox+-+Release+Notes+Version+8.4.0.2+July+14+2026
Resource:
release-notes
Hyperlink: https://labs.sra.io/posts/switchvox/
Resource:
third-party-advisory
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:57dba5dd-1a03-47f6-8b36-e84e47d335d8
Published At:17 Jul, 2026 | 17:17
Updated At:17 Jul, 2026 | 18:04

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.07.0HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:H/VA:N/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
N/A
Type: Secondary
Version: 4.0
Base score: 7.0
Base severity: HIGH
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:H/VA:N/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Type: N/A
Version:
Base score:
Base severity: N/A
Vector:
CPE Matches
Weaknesses
CWE IDTypeSource
CWE-79Secondary57dba5dd-1a03-47f6-8b36-e84e47d335d8
CWE ID: CWE-79
Type: Secondary
Source: 57dba5dd-1a03-47f6-8b36-e84e47d335d8
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://labs.sra.io/posts/switchvox/57dba5dd-1a03-47f6-8b36-e84e47d335d8
N/A
https://sangomakb.atlassian.net/wiki/spaces/Switchvox/pages/1802371073/Switchvox+-+Release+Notes+Version+8.4.0.2+July+14+202657dba5dd-1a03-47f6-8b36-e84e47d335d8
N/A
Hyperlink: https://labs.sra.io/posts/switchvox/
Source: 57dba5dd-1a03-47f6-8b36-e84e47d335d8
Resource: N/A
Hyperlink: https://sangomakb.atlassian.net/wiki/spaces/Switchvox/pages/1802371073/Switchvox+-+Release+Notes+Version+8.4.0.2+July+14+2026
Source: 57dba5dd-1a03-47f6-8b36-e84e47d335d8
Resource: N/A

Change History

0
Information is not available yet

Similar CVEs

1Records found
CVE-2026-9585
Matching Score-6
Assigner-Security Risk Advisors (SRA)
ShareView Details
Matching Score-6
Assigner-Security Risk Advisors (SRA)
CVSS Score-8.6||HIGH
EPSS-Not Assigned
Published-17 Jul, 2026 | 15:56
Updated-17 Jul, 2026 | 18:04
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Unauthenticated Reflected Cross-Site Scripting (XSS) in Switchvox SMB Web Portal

An unauthenticated reflected cross-site scripting (XSS) vulnerability exists in Sangoma Switchvox SMB Edition version 8.3 (104997). The application fails to properly sanitize the portal parameter supplied to the invalid_browser and invalid_browser_login handlers. User-supplied data is reflected into JavaScript generated by the application, allowing attacker-controlled script execution within a victim's browser.

Action-Not Available
Vendor-Sangoma Technologies Corp.
Product-Switchvox SMB Edition
CWE ID-CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Details not found