CVE-2026-26357 Cross-site scripting in Unisphere for PowerMax 9.2.4.18
A low-privileged remote attacker can inject malicious scripts into the Dell Unisphere for PowerMax web interface, potentially stealing sessions or disclosing information.
- 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-2026-26357?
CVE-2026-26357 is a medium-severity cross-site scripting vulnerability in Dell Unisphere for PowerMax 9.2.4.18, published on 17 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 Unisphere for PowerMax, version(s) 9.2.4.x, contain(s) 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 the execution of malicious HTML or JavaScript code in a victim user's web browser in the context of the vulnerable web application. Exploitation may lead to information disclosure, session theft, or client-side request forgery.
Weakness: CWE-79
Which versions are affected by CVE-2026-26357?
How do I fix CVE-2026-26357?
No fix has been published for CVE-2026-26357 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-2026-26357 being exploited?
There is no known exploitation of CVE-2026-26357 in the wild and no public exploit code.
Sources
Also known as GHSA-3q38-qghq-9hmp.