CVE-2026-23819 Error in SSID Processing allows Stored XSS in Web Management Interface

High 8.8 Published 12 May 2026 Updated 12 May 2026

Unauthenticated remote attackers can execute arbitrary JavaScript in victims' browsers via the web management interface, compromising user data and device settings.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2026-23819?

CVE-2026-23819 is a high-severity cross-site scripting vulnerability in Arubanetworks Arubaos, published on 12 May 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

A vulnerability in the web-based management interface of Access Points running AOS-10 and AOS-8 Instant could allow an unauthenticated remote attacker to execute arbitrary JavaScript code in a victim's browser within the same local network. Successful exploitation could allow an attacker to compromise user data and potentially manipulate device configuration settings.

Weakness: CWE-79

Which versions are affected by CVE-2026-23819?

It affects 1 product.

Products include Arubanetworks Arubaos.

How do I fix CVE-2026-23819?

No fix has been published for CVE-2026-23819 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-2026-23819 being exploited?

There is no known exploitation of CVE-2026-23819 in the wild and no public exploit code.

All Arubanetworks Arubaos vulnerabilities

Sources

Also known as GHSA-7qhm-2x69-v62m.