CVE-2025-30792: Comment Approved Notifier Extended XSS

CVE-2025-30792 Overview

CVE-2025-30792 is a stored cross-site scripting (XSS) vulnerability in the Comment Approved Notifier Extended WordPress plugin developed by ufukart. The flaw affects all plugin versions up to and including 5.2 and stems from improper neutralization of input during web page generation [CWE-79]. An authenticated attacker with high privileges can inject persistent JavaScript payloads that execute in the browsers of users viewing the affected pages. The scope-changed impact means the injected script can affect resources beyond the vulnerable component.

Critical Impact

Stored XSS enables session hijacking, credential theft, and administrative action forgery against WordPress users interacting with malicious payloads served by the plugin.

Affected Products

• ufukart Comment Approved Notifier Extended plugin for WordPress
• All versions from initial release through 5.2
• WordPress sites with the comment-approved-notifier-extended plugin installed and activated

Discovery Timeline

• 2025-03-27 - CVE-2025-30792 published to NVD
• 2026-06-17 - Last updated in NVD database

Technical Details for CVE-2025-30792

Vulnerability Analysis

The vulnerability resides in the Comment Approved Notifier Extended plugin's handling of user-supplied input rendered into web pages. The plugin fails to properly sanitize or encode input before writing it into HTML output. Attacker-controlled data persists in the database and executes as JavaScript when other users render the affected view.

Exploitation requires an authenticated user with elevated privileges and a victim interaction to trigger the payload. Because the scope changes upon exploitation, the injected script can act on WordPress components outside the plugin, including administrative interfaces. The impact spans confidentiality, integrity, and availability at limited levels.

Root Cause

The root cause is missing output encoding and inadequate input validation in the plugin's page-generation routines. Input containing HTML or JavaScript control characters is stored verbatim and later reflected into the DOM without escaping. This matches the classic [CWE-79] pattern of Improper Neutralization of Input During Web Page Generation.

Attack Vector

An authenticated attacker submits a crafted payload through an input field processed by the plugin. The malicious content is stored in the WordPress database and rendered to any user visiting the affected view. When a targeted user, often a site administrator, loads the page, the payload executes in the victim's browser session under the site's origin.

See the Patchstack Vulnerability Report for further technical detail.

Detection Methods for CVE-2025-30792

Indicators of Compromise

• Unexpected <script> tags, on* event handlers, or encoded JavaScript stored in WordPress database tables associated with the plugin.
• Outbound HTTP requests from administrator sessions to unfamiliar domains following interaction with plugin-generated pages.
• New WordPress administrator accounts or modified user roles created shortly after admin sessions loaded affected views.

Detection Strategies

• Audit database records written by the comment-approved-notifier-extended plugin for HTML or JavaScript artifacts.
• Deploy a web application firewall rule to flag XSS payload patterns targeting plugin endpoints.
• Correlate WordPress access logs with admin actions to identify suspicious sequences originating from rendered plugin pages.

Monitoring Recommendations

• Enable WordPress audit logging for plugin-related content changes and privileged user activity.
• Monitor browser Content Security Policy (CSP) violation reports for inline script execution attempts.
• Track plugin version inventory across managed WordPress sites to identify vulnerable installations.

How to Mitigate CVE-2025-30792

Immediate Actions Required

• Update Comment Approved Notifier Extended to a version later than 5.2 once released by the vendor.
• Restrict high-privilege WordPress accounts and enforce multi-factor authentication for administrators and editors.
• Review database entries created or modified by the plugin and remove any embedded script content.

Patch Information

At the time of publication, the vulnerability affects all versions up to and including 5.2. Consult the Patchstack Vulnerability Report for current fix availability and vendor updates.

Workarounds

• Deactivate and remove the comment-approved-notifier-extended plugin until a patched release is available.
• Deploy a WordPress-aware WAF with rulesets that block stored XSS payloads targeting plugin input fields.
• Apply a strict Content Security Policy that disallows inline scripts and untrusted script sources on WordPress admin pages.

# Configuration example: enforce a restrictive CSP header via .htaccess
Header set Content-Security-Policy "default-src 'self'; script-src 'self'; object-src 'none'; base-uri 'self'; frame-ancestors 'self'"