CVE-2025-10588: PixelYourSite WordPress Plugin CSRF Flaw

CVE-2025-10588 Overview

CVE-2025-10588 is a Cross-Site Request Forgery (CSRF) vulnerability affecting the PixelYourSite – Your smart PIXEL (TAG) & API Manager plugin for WordPress. The flaw exists in all versions up to and including 11.1.2. The vulnerability stems from missing or incorrect nonce validation on the adminEnableGdprAjax() function. Unauthenticated attackers can modify GDPR settings by tricking a site administrator into clicking a crafted link or visiting a malicious page. The issue is tracked under CWE-352.

Critical Impact
Attackers can alter GDPR-related plugin configuration on affected WordPress sites through forged administrator requests, potentially disrupting privacy compliance and consent handling.

Affected Products

PixelYourSite – Your smart PIXEL (TAG) & API Manager plugin for WordPress
All versions up to and including 11.1.2
WordPress sites where an administrator can be socially engineered into visiting an attacker-controlled page

Discovery Timeline

2025-10-22 - CVE-2025-10588 published to NVD
2026-06-17 - Last updated in NVD database

Technical Details for CVE-2025-10588

Vulnerability Analysis

The PixelYourSite plugin exposes an AJAX handler named adminEnableGdprAjax() intended to toggle GDPR-related settings from the WordPress admin area. This handler does not correctly validate a WordPress nonce before executing the state-changing action. Nonces are the primary mechanism WordPress uses to bind a privileged request to a specific user session and prevent cross-origin abuse.

Because the nonce check is missing or improperly implemented, any HTTP request that reaches the endpoint while a logged-in administrator's browser has valid session cookies will be processed. The impact is limited to modifying GDPR settings, which is consistent with the low integrity impact reflected in the vulnerability scoring.

Root Cause

The root cause is a broken CSRF defense in the adminEnableGdprAjax() function. WordPress plugins are expected to invoke check_ajax_referer() or wp_verify_nonce() prior to processing privileged actions. In this plugin, that validation step is absent or ineffective, so the server cannot distinguish a legitimate admin-initiated request from a forged one.

Attack Vector

Exploitation requires user interaction from an authenticated administrator. An attacker hosts a page containing an auto-submitting form or image tag that targets the vulnerable AJAX endpoint of the victim's WordPress site. When the administrator visits the attacker's page while logged in, the browser attaches session cookies and the forged request executes with administrative privileges. No credentials or prior access to the target site are required from the attacker. See the CleanTalk CVE-2025-10588 Analysis and the Wordfence Vulnerability Report for additional technical context.

Detection Methods for CVE-2025-10588

Indicators of Compromise

Unexpected changes to GDPR configuration values within the PixelYourSite plugin settings
WordPress access log entries showing POST requests to admin-ajax.php with the PixelYourSite GDPR action parameter originating from external Referer headers
Administrator browser sessions preceded by visits to untrusted third-party sites

Detection Strategies

Audit web server logs for requests to wp-admin/admin-ajax.php where the action parameter targets the PixelYourSite GDPR handler and the Referer header does not match the site's own domain
Compare current plugin settings against a known-good baseline to identify unauthorized modifications
Review the plugin version reported in readme.txt or the WordPress admin plugins screen against the fixed release

Monitoring Recommendations

Enable WordPress activity logging to capture administrative setting changes with user, IP, and timestamp attribution
Alert on plugin configuration changes that occur outside of scheduled maintenance windows
Monitor outbound administrator browsing telemetry for interactions with newly registered or low-reputation domains

How to Mitigate CVE-2025-10588

Immediate Actions Required

Update the PixelYourSite plugin to a version later than 11.1.2 that includes the nonce validation fix
Verify current GDPR settings in the plugin and restore intended values if tampering is suspected
Instruct administrators to log out of WordPress before browsing untrusted content

Patch Information

The plugin maintainers addressed the missing CSRF protection in the code change tracked at the WordPress Plugin Changeset 3379001. Site owners should upgrade to the patched release available through the WordPress plugin repository. Additional vendor context is provided in the Wordfence Vulnerability Report.

Workarounds

Deactivate the PixelYourSite plugin until the patched version can be installed
Deploy a Web Application Firewall (WAF) rule that blocks requests to admin-ajax.php where the action parameter matches the vulnerable GDPR handler and the Referer header is missing or off-origin
Restrict WordPress admin access to trusted IP addresses through server-level allowlisting
Require administrators to use a dedicated browser profile that is not used for general web browsing

bash

# Example WAF rule (ModSecurity) to block cross-origin POSTs to the vulnerable endpoint
SecRule REQUEST_METHOD "@streq POST" \
  "chain,id:1005880,phase:2,deny,status:403,log,msg:'CVE-2025-10588 CSRF attempt blocked'"
  SecRule REQUEST_URI "@contains /wp-admin/admin-ajax.php" \
    "chain"
    SecRule ARGS:action "@rx (?i)adminEnableGdprAjax" \
      "chain"
      SecRule REQUEST_HEADERS:Referer "!@beginsWith https://your-site.example"