CVE-2025-12407: 
WordPress vulnerability analysis and mitigation

CVE-2025-12407 is a Cross-Site Request Forgery (CSRF) vulnerability in the Events Manager – Calendar, Bookings, Tickets, and more! plugin for WordPress. It affects all versions up to and including 7.2.2.2, and was disclosed on December 12, 2025, by Wordfence. The flaw allows unauthenticated attackers to delete location entries by tricking a site administrator into clicking a malicious link. It carries a CVSS v3.1 base score of 4.3 (Medium) (Wordfence, Red Hat CVE).

The root cause is missing or incorrect nonce validation on the location_delete action handler within the plugin's em-actions.php file (CWE-352: Cross-Site Request Forgery). WordPress nonces are used to verify the authenticity of requests; their absence means the server cannot distinguish a legitimate administrator-initiated request from a forged one. An attacker crafts a malicious HTTP request targeting the location_delete action and embeds it in a link or page that a logged-in administrator is socially engineered into visiting. The fix was introduced in the plugin changeset modifying em-actions.php to add proper nonce validation (Wordfence, Plugin Changeset).

Successful exploitation allows an unauthenticated attacker to permanently delete location records stored in the WordPress site's Events Manager database, resulting in data loss and potential disruption to event booking and calendar functionality. The impact is limited to integrity (no confidentiality or availability impact is assessed), as no sensitive data is exposed and the site itself remains operational. However, deletion of location data could disrupt event management workflows and require manual restoration from backups (Wordfence).

No public exploit code or active in-the-wild exploitation has been reported for CVE-2025-12407. The EPSS score is approximately 0.013% (0.000130), indicating a very low probability of exploitation in the near term. The vulnerability requires user interaction — specifically, a site administrator must be tricked into clicking a crafted link — which significantly limits opportunistic exploitation. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog (Wordfence, Red Hat CVE).

1. Reconnaissance: Identify WordPress sites running the Events Manager plugin at version 7.2.2.2 or earlier using tools like WPScan or by inspecting publicly visible plugin metadata.
2. Craft malicious request: Construct a forged HTTP GET or POST request targeting the location_delete action endpoint (e.g., wp-admin/admin.php?action=location_delete&id=<location_id>) without a valid nonce parameter.
3. Social engineering: Embed the forged request URL in a phishing email, comment, or external webpage designed to be visited by a logged-in site administrator (e.g., as an <img> tag or hyperlink).
4. Trigger deletion: When the administrator clicks the link or loads the page while authenticated, their browser automatically sends the forged request with their session credentials, causing the server to delete the targeted location record without nonce verification.
5. Achieve objective: The location entry is permanently deleted from the Events Manager database, disrupting event listings and bookings associated with that location (Wordfence, Plugin Changeset).

• Logs: WordPress access logs showing requests to wp-admin/admin.php with action=location_delete parameters originating from unexpected or external referrer URLs (non-admin-panel origins).
• Logs: Absence of a valid _wpnonce parameter in location_delete requests in server access logs, or nonce validation failure entries in WordPress debug logs.
• Database: Unexpected deletion of rows in the wp_em_locations table without corresponding administrator activity in the WordPress audit trail.
• Network: HTTP requests to the WordPress admin endpoint for location deletion arriving with referrer headers pointing to external or suspicious domains.

Site administrators should update the Events Manager plugin to version 7.2.3 or later, which introduces proper nonce validation on the location_delete action (Plugin Changeset, Events Manager Blog). As a temporary workaround prior to patching, administrators should exercise caution when clicking links from untrusted sources while logged into the WordPress admin panel. Enabling a Web Application Firewall (WAF) with CSRF protection rules (e.g., via Wordfence) can provide an additional layer of defense.

The vulnerability was discovered and disclosed by Wordfence, which published a threat intelligence entry on December 12, 2025. The Events Manager plugin developer released version 7.2.3 addressing this and other issues shortly after disclosure (Events Manager Blog). Community reaction has been minimal given the medium severity rating and the social engineering requirement for exploitation.