Read the docs
TI-2021-11691 Aliases CVE-2021-31583GHSA-3jj3-875w-p3wj

Sipwise C5 NGCP WWW Admin version 3.6.7 up to and including platform version NGCP CE 3.0…

Priority LOW 27CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

Sipwise C5 NGCP WWW Admin version 3.6.7 up to and including platform version NGCP CE 3.0 has multiple authenticated stored and reflected XSS vulnerabilities when input passed via several parameters to several scripts is not properly sanitized before being returned to the user: Stored XSS in callforward/time/set/save (POST tsetname); Reflected XSS in addressbook (GET filter); Stored XSS in addressbook/save (POST firstname, lastname, company); and Reflected XSS in statistics/versions (GET lang).

Why it matters now

EPSS 0.01123 66th percentileScored 2026-11-07
Public exploit Yes 4 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:sipwise:next_generation_communication_platform:3.6.7:*:*:*:ce:*:*:*3.6.7VulnerableSipwise
  • cpe:2.3:a:sipwise:next_generation_communication_platform:3.6.7:*:*:*:ce:*:*:* Versions 3.6.7 Vulnerable ·Sipwise

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-31583
  2. 2026-10-03 Alias added: GHSA-3jj3-875w-p3wj

References

Exploit 4

Other 1

  • TI-2024-18844 An Open Redirect vulnerability was found in Sipwise C5 NGCP Dashboard below mr11.5.1. CVSS 3.1LOW 3.1
  • TI-2021-11692 Sipwise C5 NGCP www_csc version 3.6.4 up to and including platform NGCP CE mr3.8.13… CVSS 3.1HIGH 8.8
  • TI-2024-18845 An issue discovered in Sipwise C5 NGCP Dashboard below mr11.5.1 allows a low privileged… CVSS 3.1MEDIUM 5.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences