CVE-2026-24942: WpEvently CSRF Vulnerability

CVE-2026-24942 Overview

A Cross-Site Request Forgery (CSRF) vulnerability has been identified in the WpEvently (mage-eventpress) WordPress plugin developed by magepeopleteam. This vulnerability allows attackers to perform unauthorized actions on behalf of authenticated users by tricking them into visiting a malicious page while logged into a WordPress site running the vulnerable plugin.

Critical Impact

Attackers can execute unauthorized state-changing actions on WordPress sites using the WpEvently plugin by exploiting the lack of proper CSRF token validation, potentially modifying event settings, user data, or plugin configurations without user consent.

Affected Products

• WpEvently (mage-eventpress) versions through 5.1.1
• WordPress installations running vulnerable WpEvently plugin versions
• Sites utilizing WpEvently for event management functionality

Discovery Timeline

• 2026-02-03 - CVE CVE-2026-24942 published to NVD
• 2026-02-03 - Last updated in NVD database

Technical Details for CVE-2026-24942

Vulnerability Analysis

This vulnerability stems from insufficient CSRF protection mechanisms within the WpEvently WordPress plugin. CSRF vulnerabilities occur when web applications fail to properly verify that requests originate from legitimate users through proper token validation. In the case of WpEvently, certain plugin actions lack adequate nonce verification, allowing attackers to craft malicious requests that can be executed in the context of an authenticated administrator or user session.

The attack requires user interaction—specifically, a victim must click a malicious link or visit a compromised page while authenticated to their WordPress dashboard. Since WordPress plugins often handle sensitive operations such as modifying event data, user information, and site configurations, successful exploitation could lead to unauthorized modifications of event settings, deletion of events, or changes to plugin configurations.

Root Cause

The root cause of this vulnerability is the absence or improper implementation of CSRF tokens (WordPress nonces) in one or more plugin forms or AJAX handlers. WordPress provides built-in nonce functionality via wp_nonce_field() for forms and wp_create_nonce() for AJAX requests, along with corresponding verification functions. When these protections are missing, the server cannot distinguish between legitimate user-initiated requests and forged requests from malicious third-party sites.

Attack Vector

The attack vector for CVE-2026-24942 is network-based and requires user interaction. An attacker would craft a malicious HTML page containing hidden forms or JavaScript that automatically submits requests to the vulnerable WordPress plugin endpoints. When an authenticated administrator visits this malicious page, their browser automatically includes authentication cookies with the forged request, causing the WordPress site to process the malicious action as if it were legitimately initiated by the user.

A typical attack scenario involves:

1. Attacker identifies vulnerable endpoints in WpEvently lacking CSRF protection
2. Attacker creates a malicious page with auto-submitting forms targeting those endpoints
3. Attacker distributes the malicious link via phishing, social media, or compromised websites
4. Victim clicks the link while logged into their WordPress admin panel
5. Malicious request executes with the victim's privileges

For detailed technical information about this vulnerability, refer to the Patchstack CSRF Vulnerability Report.

Detection Methods for CVE-2026-24942

Indicators of Compromise

• Unexpected modifications to event data, settings, or configurations in WpEvently without corresponding admin activity
• Web server access logs showing suspicious POST requests to WpEvently plugin endpoints originating from external referrers
• Changes to plugin settings or user permissions that administrators did not authorize
• Reports from users about unexpected redirects or pop-ups while managing events

Detection Strategies

• Monitor WordPress audit logs for unauthorized changes to WpEvently plugin settings or event data
• Implement Web Application Firewall (WAF) rules to detect and block requests lacking proper WordPress nonce values
• Review HTTP referrer headers in server logs to identify requests originating from external domains to sensitive plugin endpoints
• Deploy browser-based security extensions that warn users of potential CSRF attacks

Monitoring Recommendations

• Enable comprehensive logging for all administrative actions within WordPress and the WpEvently plugin
• Set up alerts for bulk modifications or deletions of events that occur outside normal business operations
• Regularly audit access logs for unusual POST request patterns to /wp-admin/admin-ajax.php with WpEvently-related actions
• Implement real-time monitoring for changes to critical plugin configurations

How to Mitigate CVE-2026-24942

Immediate Actions Required

• Update WpEvently (mage-eventpress) plugin to the latest patched version as soon as available from the developer
• Implement a Web Application Firewall (WAF) with CSRF protection rules as a defense-in-depth measure
• Review and audit recent changes to WpEvently settings and event data for unauthorized modifications
• Consider temporarily disabling the plugin if handling sensitive event data until a patch is available

Patch Information

Organizations should monitor the official WordPress plugin repository and the magepeopleteam vendor channels for security updates addressing this CSRF vulnerability. The vulnerability affects WpEvently versions through 5.1.1. Security updates should be applied immediately upon release. For the latest information, consult the Patchstack CSRF Vulnerability Report.

Workarounds

• Deploy a Web Application Firewall (WAF) with CSRF protection capabilities to filter malicious requests before they reach WordPress
• Implement Content Security Policy (CSP) headers to restrict the domains that can submit forms to your WordPress installation
• Enforce strict session management policies, requiring re-authentication for sensitive administrative actions
• Educate administrators to avoid clicking unknown links while logged into the WordPress dashboard and to log out when not actively managing the site

# WordPress security hardening example - add to .htaccess
# Block requests to admin-ajax.php without proper referrer (basic CSRF mitigation)
<IfModule mod_rewrite.c>
    RewriteEngine On
    RewriteCond %{REQUEST_URI} ^/wp-admin/admin-ajax\.php [NC]
    RewriteCond %{HTTP_REFERER} !^https?://(www\.)?yourdomain\.com [NC]
    RewriteCond %{REQUEST_METHOD} POST
    RewriteRule .* - [F,L]
</IfModule>