CVE-2026-23858 Cross-site scripting in Wyse Management Suite

Medium 5.4 Published 24 Feb 2026 Updated 24 Feb 2026

A low-privileged remote attacker can inject scripts into Dell Wyse Management Suite, potentially leading to code execution or account takeover.

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

What is CVE-2026-23858?

CVE-2026-23858 is a medium-severity cross-site scripting vulnerability in Dell Wyse Management Suite, published on 24 Feb 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Dell Wyse Management Suite, versions prior to WMS 5.5, contain an Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability. A low privileged attacker with remote access could potentially exploit this vulnerability, leading to Script Injection.

Weakness: CWE-79

Which versions are affected by CVE-2026-23858?

It affects 1 product.

Products include Dell Wyse Management Suite.

How do I fix CVE-2026-23858?

No fix has been published for CVE-2026-23858 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-2026-23858 being exploited?

There is no known exploitation of CVE-2026-23858 in the wild and no public exploit code.

All Dell Wyse Management Suite vulnerabilities

Sources

Also known as GHSA-vcqv-v77g-qhch.