CVE-2023-22296 Cross-site scripting in MAHO-PBX NetDevancer series

Medium 6.1 Published 17 Jan 2023 Updated 4 Apr 2025

Remote unauthenticated attackers can inject arbitrary scripts via reflected XSS in MAHO-PBX NetDevancer devices, potentially compromising user sessions.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2023-22296?

CVE-2023-22296 is a medium-severity cross-site scripting vulnerability in Mahoroba Kobo, Inc. MAHO-PBX NetDevancer series, published on 17 Jan 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

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.

Weakness: CWE-79

Which versions are affected by CVE-2023-22296?

It affects 3 products.

Products include Ate-Mahoroba Maho-Pbx Netdevancer Firmware, Ate-Mahoroba Maho-Pbx Netdevancer Mobilegate Firmware, Ate-Mahoroba Maho-Pbx Netdevancer Vsg Firmware.

How do I fix CVE-2023-22296?

No fix has been published for CVE-2023-22296 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2023-22296 being exploited?

There is no known exploitation of CVE-2023-22296 in the wild and no public exploit code.

Sources

Also known as GHSA-22f3-jcv7-7v3j.