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CVE-2026-9729

Web Push Notifications <= 4.39.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'webpushr_notification_title' Post Meta Parameter

The Webpushr Push Notifications plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'webpushr_notification_title' and 'webpushr_notification_body' parameters in versions up to, and including, 4.39.0. This is due to insufficient input sanitization in the save_send_notification_flag() function and missing output escaping in the wpp_notification_box() function, which concatenates raw post meta values directly into HTML attribute and textarea contexts. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

CVSS 3.1 · 6.4 Medium EPSS < 1% KEV · Not listed
Vendors
Webpushr Wordpress
Products
Web Push Notifications Wordpress
CVE-2024-34369

WordPress Web Push Notifications – Webpushr plugin <= 4.35.0 - Cross Site Scripting (XSS) vulnerability

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Webpushr Web Push Notifications Webpushr allows Reflected XSS.This issue affects Webpushr: from n/a through 4.35.0.

CVSS 3.1 · 7.1 High EPSS < 1% KEV · Not listed
Vendors
Webpushr Wordpress
Products
Web Push Notifications Wordpress
CVE-2026-24536

WordPress Webpushr plugin <= 4.38.0 - Sensitive Data Exposure vulnerability

Exposure of Sensitive System Information to an Unauthorized Control Sphere vulnerability in webpushr Webpushr webpushr-web-push-notifications allows Retrieve Embedded Sensitive Data.This issue affects Webpushr: from n/a through <= 4.38.0.

CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Vendors
Webpushr Wordpress
Products
Web Push Notifications Wordpress
CVE-2023-5620

Webpushr < 4.35.0 - Unauthenticated Stored XSS

The Web Push Notifications WordPress plugin before 4.35.0 does not prevent visitors on the site from changing some of the plugin options, some of which may be used to conduct Stored XSS attacks.

CVSS 3.1 · 5.4 Medium EPSS < 1% KEV · Not listed
Vendors
Webpushr
Products
Web Push Notifications
CVE-2023-35041

WordPress Webpushr Plugin <= 4.34.0 is vulnerable to Cross Site Request Forgery (CSRF)

Cross-Site Request Forgery (CSRF) vulnerability leading to Local File Inclusion (LF) in Webpushr Web Push Notifications Web Push Notifications – Webpushr plugin <= 4.34.0 versions.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Webpushr
Products
Web Push Notifications