TI-2023-16674 Aliases CVE-2023-33758 GHSA-2g55-8535-gp6f

Splicecom Maximiser Soft PBX v1.5 and before was discovered to contain a cross-site…

MEDIUM 60CWE-79Published 2024-01-25 · Updated 2025-06-20

Key facts

Attack vector: Network
Privileges required: None
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 · CISA ADP. Fix status from CNA. Impact type from CWE-79.

Summary

Splicecom Maximiser Soft PBX v1.5 and before was discovered to contain a cross-site scripting (XSS) vulnerability via the CLIENT_NAME and DEVICE_GUID fields in the login component.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.0037 31st percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:splicecom:maximiser_soft_pbx::::::::	up to 1.5	Vulnerable	Splicecom

cpe:2.3:a:splicecom:maximiser_soft_pbx:*:*:*:*:*:*:*:* Versions up to 1.5 Vulnerable ·Splicecom

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2023-33758
2026-10-03 Alias added: GHSA-2g55-8535-gp6f

References

Exploit 1

https://github.com/twignet/splicecom

TI-2023-16675 SpliceCom Maximiser Soft PBX v1.5 and before does not restrict excessive authentication… CVSS 3.1CRITICAL 9.8
TI-2023-16676 SpliceCom Maximiser Soft PBX v1.5 and before was discovered to utilize a default SSL… CVSS 3.1MEDIUM 5.3

Sources

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