CVE-2025-15380 NotificationX <= 3.2.0 - Unauthenticated DOM-Based Cross-Site Scripting via 'nx-preview'

High 7.2 Published Updated

Unauthenticated attackers can inject arbitrary web scripts via the nx-preview parameter, allowing code execution when users visit malicious pages.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-15380?

CVE-2025-15380 is a high-severity cross-site scripting vulnerability in wpdevteam NotificationX – FOMO, Live Sales Notification, WooCommerce Sales Popup, GDPR, Social Proof, Announcement Banner & Floating Notification Bar, published on 20 Jan 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The NotificationX – FOMO, Live Sales Notification, WooCommerce Sales Popup, GDPR, Social Proof, Announcement Banner & Floating Notification Bar plugin for WordPress is vulnerable to DOM-Based Cross-Site Scripting via the 'nx-preview' POST parameter in all versions up to, and including, 3.2.0. This is due to insufficient input sanitization and output escaping when processing preview data. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute when a user visits a malicious page that auto-submits a form to the vulnerable site.

Weakness: CWE-79

Which versions are affected by CVE-2025-15380?

How do I fix CVE-2025-15380?

No fix has been published for CVE-2025-15380 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-2025-15380 being exploited?

There is no known exploitation of CVE-2025-15380 in the wild and no public exploit code.

Sources

Also known as GHSA-6w3f-gc3r-pqhr.

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