CVE-2023-22296 — Reflected cross-site scripting vulnerability in MAHO-PBX NetDevancer series MAHO

Reflected cross-site scripting vulnerability in MAHO-PBX NetDevancer series MAHO-PBX NetDevancer Lite/Uni/Pro/Cloud prior to Ver.1.11.00, MAHO-PBX NetDevancer VSG Lite/Uni prior to Ver.1.11.00, and MAHO-PBX NetDevancer MobileGate Home/Office prior to Ver.1.11.00 allows a remote u

01What is this vulnerability?

Reflected cross-site scripting vulnerability in MAHO-PBX NetDevancer series MAHO-PBX NetDevancer Lite/Uni/Pro/Cloud prior to Ver.1.11.00, MAHO-PBX NetDevancer VSG Lite/Uni prior to Ver.1.11.00, and MAHO-PBX NetDevancer MobileGate Home/Office prior to Ver.1.11.00 allows a remote unauthenticated attacker to inject an arbitrary script.

02Affected products

Vendor	Product	Versions
Mahoroba Kobo, Inc.	MAHO	PBX NetDevancer series — MAHO-PBX NetDevancer Lite/Uni/Pro/Cloud prior to Ver.1.11.00, MAHO-PBX NetDevancer VSG Lite/Uni prior to Ver.1.11.00, and MAHO-PBX NetDevancer MobileGate Home/Office prior to Ver.1.11.00

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-01-17T00:00:00.000Z
• Last modified: 2025-04-04T17:54:33.218Z

09References

• www.ate-mahoroba.jp — https://www.ate-mahoroba.jp/netdevancer/manual/
• jvn.jp — https://jvn.jp/en/jp/JVN99957889/index.html