CVE-2026-102396 WordPress Ultimate Maps by Supsystic plugin <= 1.5.5 - Cross Site Scripting (XSS) vulnerability

Q: What is CVE-2026-102396?

CVE-2026-102396 is a high-severity cross-site scripting vulnerability in Ultimate Maps by Supsystic, published on 30 Sep 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Q: Is CVE-2026-102396 being exploited?

There is no known exploitation of CVE-2026-102396 in the wild and no public exploit code.

Q: How do I fix CVE-2026-102396?

No fix has been published for CVE-2026-102396 yet. Limit exposure of the affected software until one is available.

High 7.1 Published 30 Sep 2026 Updated 30 Sep 2026

Unauthenticated attackers can inject malicious scripts via the Ultimate Maps by Supsystic plugin, 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-2026-102396?

CVE-2026-102396 is a high-severity cross-site scripting vulnerability in Ultimate Maps by Supsystic, published on 30 Sep 2026. 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

Unauthenticated Cross Site Scripting (XSS) in Ultimate Maps by Supsystic <= 1.5.5 versions.

Weakness: CWE-79

Which versions are affected by CVE-2026-102396?

How do I fix CVE-2026-102396?

No fix has been published for CVE-2026-102396 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-2026-102396 being exploited?