CVE-2024-56232: WP Nice Loader CSRF Vulnerability

CVE-2024-56232 Overview

CVE-2024-56232 is a Cross-Site Request Forgery (CSRF) vulnerability [CWE-352] in the Alex Volkov WP Nice Loader plugin for WordPress. The flaw affects all versions of wp-nice-loader up to and including 0.1.0.4. Successful exploitation chains CSRF with Stored Cross-Site Scripting (XSS), allowing attackers to persist malicious JavaScript in the WordPress backend through a forged administrative request.

The attack requires user interaction, typically tricking an authenticated administrator into visiting an attacker-controlled page. Once the payload is stored, it executes in the browser of any user viewing the affected content.

Critical Impact

An attacker can persist arbitrary JavaScript in a WordPress site by tricking an authenticated administrator into clicking a crafted link, leading to session theft, account takeover, or malicious redirects.

Affected Products

• Alex Volkov WP Nice Loader (wp-nice-loader) plugin for WordPress
• All versions from initial release through 0.1.0.4
• WordPress installations with the vulnerable plugin activated

Discovery Timeline

• 2024-12-31 - CVE-2024-56232 published to the National Vulnerability Database (NVD)
• 2026-04-23 - Last updated in NVD database

Technical Details for CVE-2024-56232

Vulnerability Analysis

The vulnerability combines two web application weaknesses. The plugin exposes one or more state-changing endpoints that do not validate the origin or authenticity of incoming requests. These endpoints also accept input that is later rendered without proper output encoding, enabling Stored XSS.

An attacker hosts a malicious page containing a forged form or fetch request targeting the vulnerable plugin endpoint. When an authenticated WordPress administrator visits that page, the browser submits the request with valid session cookies. The plugin processes the request and persists the attacker-supplied payload to the database.

The attack vector is network-based and requires user interaction, with a scope change because the injected script executes in the context of the WordPress administrative interface.

Root Cause

The root cause is the absence of CSRF protection on plugin endpoints that modify persistent state. WordPress provides the wp_nonce_field() and check_admin_referer() APIs to mitigate this class of issue, but the plugin fails to enforce nonce validation. The secondary defect is insufficient sanitization of stored input, which allows HTML and JavaScript to be saved and later rendered verbatim.

Attack Vector

Exploitation requires an attacker to lure an authenticated administrator to a malicious URL while logged into the target WordPress site. The forged request submits an XSS payload to the vulnerable plugin endpoint. The payload is stored and executes the next time any administrator loads the affected admin page or settings screen. Refer to the Patchstack Vulnerability Report for additional technical context.

Detection Methods for CVE-2024-56232

Indicators of Compromise

• Unexpected <script>, <iframe>, or event-handler attributes stored in WP Nice Loader plugin settings or options tables
• New or modified entries in wp_options or plugin-specific tables containing encoded JavaScript payloads
• Administrator browser sessions making outbound requests to unfamiliar domains after visiting plugin pages
• WordPress admin users reporting unexpected redirects or unauthorized account changes

Detection Strategies

• Audit the WordPress database for HTML or JavaScript content stored in fields associated with wp-nice-loader
• Review web server access logs for POST requests to plugin endpoints lacking a same-origin Referer header
• Inspect plugin source code for missing check_admin_referer() or wp_verify_nonce() calls on state-changing handlers
• Monitor for administrator account activity originating from anomalous IP addresses or user agents

Monitoring Recommendations

• Enable WordPress audit logging to track changes to plugin settings and post metadata
• Deploy a Web Application Firewall (WAF) rule set that blocks cross-origin POST requests to /wp-admin/ endpoints
• Alert on administrator sessions that load JavaScript from unrecognized external domains
• Correlate plugin configuration changes with administrator authentication events to identify forged requests

How to Mitigate CVE-2024-56232

Immediate Actions Required

• Deactivate and remove the WP Nice Loader plugin until a patched release is confirmed available
• Audit all administrator accounts and rotate credentials for any user who may have visited untrusted sites while authenticated
• Inspect plugin-related database tables and remove any stored script content
• Force logout of all active sessions using wp_destroy_other_sessions_for_user() or equivalent administrative action

Patch Information

No fixed version is identified in the available advisory data. The vulnerability affects WP Nice Loader through version 0.1.0.4. Monitor the Patchstack Vulnerability Report and the plugin's WordPress.org page for an updated release.

Workarounds

• Remove the plugin entirely if a patched version is not available
• Restrict access to /wp-admin/ by IP address using web server configuration or a WAF
• Apply Content Security Policy (CSP) headers that disallow inline scripts in the admin interface
• Train administrators to log out of WordPress before browsing untrusted sites and to use a dedicated browser profile for administrative tasks