CVE-2025-30842: Christmas Panda CSRF Vulnerability

CVE-2025-30842 Overview

CVE-2025-30842 is a Cross-Site Request Forgery (CSRF) vulnerability affecting the Christmas Panda WordPress plugin developed by pixolette. The flaw affects all plugin versions up to and including 1.0.4. The vulnerability is categorized under [CWE-352] (Cross-Site Request Forgery) and requires user interaction to trigger the exploit.

An attacker can craft a malicious web page or link that, when visited by an authenticated WordPress user, triggers unauthorized state-changing actions in the plugin. Successful exploitation results in limited integrity impact without affecting confidentiality or availability.

Critical Impact
An attacker can trick authenticated users into performing unintended actions in the Christmas Panda plugin, leading to unauthorized modifications limited in scope to integrity impact.

Affected Products

pixolette Christmas Panda WordPress plugin
All versions from n/a through <= 1.0.4
WordPress installations running the vulnerable christmas-panda plugin

Discovery Timeline

2025-03-27 - CVE-2025-30842 published to NVD
2026-06-17 - Last updated in NVD database

Technical Details for CVE-2025-30842

Vulnerability Analysis

The vulnerability stems from missing or improperly implemented anti-CSRF protections in the christmas-panda WordPress plugin. WordPress plugins typically defend against CSRF using nonce tokens generated with wp_create_nonce() and validated with check_admin_referer() or wp_verify_nonce(). The Christmas Panda plugin lacks proper nonce validation on one or more state-changing endpoints.

The EPSS probability score is 0.197% with a percentile of 9.64, indicating a low likelihood of exploitation in the near term. However, CSRF vulnerabilities in WordPress plugins remain a common attack vector, especially in targeted phishing campaigns against site administrators.

Root Cause

The root cause is the absence of proper CSRF token validation [CWE-352] on requests that modify plugin state or WordPress configuration. Without nonce verification, the plugin cannot distinguish between legitimate requests originating from the WordPress admin interface and forged requests submitted from an attacker-controlled origin.

Attack Vector

Exploitation requires an authenticated WordPress user, typically an administrator, to visit a malicious page or click a crafted link while logged into WordPress. The attacker hosts a page containing a hidden form or JavaScript that submits a request to the vulnerable plugin endpoint. The victim's browser automatically includes session cookies, causing WordPress to process the request as legitimate.

The vulnerability manifests when plugin endpoints accept POST or GET requests without validating nonce parameters. See the Patchstack Vulnerability Report for additional technical details.

Detection Methods for CVE-2025-30842

Indicators of Compromise

Unexpected changes to Christmas Panda plugin settings without corresponding admin activity in audit logs
HTTP POST requests to plugin endpoints with missing or invalid nonce parameters
Referer headers pointing to external domains on state-changing plugin requests
Administrator sessions receiving redirects or loading unexpected external resources

Detection Strategies

Monitor WordPress access logs for requests to christmas-panda plugin URLs originating from cross-origin referrers
Deploy a Web Application Firewall (WAF) rule to flag state-changing requests lacking _wpnonce parameters
Enable WordPress security plugin audit logging to correlate configuration changes with authenticated sessions

Monitoring Recommendations

Track HTTP requests to /wp-admin/admin.php?page=christmas-panda* and /wp-admin/admin-post.php endpoints associated with the plugin
Alert on plugin configuration modifications performed outside of expected administrator working hours
Review browser and endpoint telemetry for administrator systems visiting untrusted sites during active WordPress sessions

How to Mitigate CVE-2025-30842

Immediate Actions Required

Deactivate and remove the Christmas Panda plugin from all WordPress sites until a patched version is available
Audit WordPress administrator accounts for unauthorized configuration changes since the plugin was installed
Enforce least-privilege principles by limiting administrator accounts to essential personnel

Patch Information

As of the last NVD update on 2026-06-17, no fixed version has been published for the christmas-panda plugin. All releases through 1.0.4 remain vulnerable. Site operators should monitor the Patchstack Vulnerability Report for patch availability.

Workarounds

Remove the vulnerable plugin entirely if no patch is available
Require administrators to use dedicated browser profiles or sessions for WordPress management
Deploy a WAF that enforces Origin and Referer header validation on WordPress admin requests
Configure SameSite=Strict cookies for the WordPress session to reduce cross-origin cookie transmission

bash

# Configuration example: disable the vulnerable plugin via WP-CLI
wp plugin deactivate christmas-panda
wp plugin delete christmas-panda