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CVE-2026-109513— NotificationX <= 3.3.3 - Unauthenticated Stored Cross-Site Scripting via 'name' Parameter via popup-submit REST Route

Quick assessment

Affected
wpdevteam NotificationX – FOMO, Live Sales Notification, WooCommerce Sales Popup, GDPR, Social Proof, Announcement Banner & Floating Notification Bar
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WordPress 插件"NotificationX – FOMO、实时销售通知、WooCommerce 销售弹窗、GDPR、社交证明、公告横幅及浮动通知栏”存在存储型跨站脚本（Stored XSS）漏洞。该漏洞影响所有版本（含 3.3.3 及更早版本），根源在于对 参数的输入清理（sanitization）不足以及输出转义（escaping）缺失。此漏洞允许未认证攻击者在页面上注入任意 Web 脚本，当用户访问被注入的页面时，这些脚本将被执行。 触发该漏洞需满足以下前提条件（均为该插件官方文档中明确说明且受支持的

CVSS 7.2 · High EPSS 0.24% · P14

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-109513

Vulnerability Information
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Vulnerability Title
NotificationX <= 3.3.3 - Unauthenticated Stored Cross-Site Scripting via 'name' Parameter via popup-submit REST Route
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
wpdevteam NotificationX – FOMO, Live Sales Notification, WooCommerce Sales Popup, GDPR, Social Proof, Announcement Banner & Floating Notification Bar 0 ~ 3.3.3 -

II. Public POCs for CVE-2026-109513

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III. Intelligence Information for CVE-2026-109513

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Vendor Pages for CVE-2026-109513 (1)

Other References for CVE-2026-109513 (4)

IV. Related Vulnerabilities

Same product: NotificationX – FOMO, Live Sales Notification, WooCommerce Sales Popup, GDPR, Social Proof, Announcement Banner & Floating Notification Bar
Same vendor: wpdevteam
Same weakness: CWE-79

V. Comments for CVE-2026-109513

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