XSS in Wpdevteam Notificationx – Fomo, Live Sales Notification, Woocommerce Popup, Gdpr, Social Proof, Announcement Banner & Floating Notification Bar
CVE-2026-109513
The NotificationX – FOMO, Live Sales Notification, WooCommerce Sales Popup, GDPR, Social Proof, Announcement Banner & Floating Notification Bar plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'name' parameter in all versions up to, and including, 3.3.3 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This requires that an administrator has previously enabled a WordPress.org Reviews campaign and placed the notificationx-pro/notificationx dynamic block on a public page, both of which are documented, supported plugin workflows.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- www.wordfence.com/threat-intel/vulnerabilities/id/cac6c4f3-ac60-45d6-a5ba-6708f…
- plugins.trac.wordpress.org/browser/notificationx/tags/3.3.3/blocks/Blocks.php
- plugins.trac.wordpress.org/browser/notificationx/tags/3.3.3/includes/Features/S…
- plugins.trac.wordpress.org/browser/notificationx/tags/3.3.3/includes/Extensions…
- plugins.trac.wordpress.org/browser/notificationx/tags/3.3.3/includes/Core/Rest/…
- plugins.trac.wordpress.org/browser/notificationx/tags/3.3.3/includes/Extensions…
- plugins.trac.wordpress.org/changeset
Frequently asked questions
- What is CVE-2026-109513?
- CVE-2026-109513 is a high-severity vulnerability in Wpdevteam Notificationx – Fomo, Live Sales Notification, Woocommerce Popup, Gdpr, Social Proof, Announcement Banner & Floating Notification Bar, classified under Cross-site Scripting. CVSS score: 7.2/10. Published 2026-10-16.
- How severe is CVE-2026-109513?
- High severity. CVSS v3 base score is 7.2 out of 10.