CVE-2025-31852 Overview
CVE-2025-31852 is a Cross-Site Request Forgery (CSRF) vulnerability affecting the N-Media Bulk Product Sync plugin (sync-wc-google) for WordPress. The flaw impacts all plugin versions up to and including 8.6. The vulnerability is classified under [CWE-352] and stems from missing or inadequate anti-CSRF token validation on state-changing plugin actions.
An attacker can trick an authenticated administrator into submitting a forged request, causing unauthorized changes within the plugin. Exploitation requires user interaction, typically luring a logged-in administrator to visit an attacker-controlled page.
Critical Impact
Successful exploitation allows attackers to perform unauthorized plugin actions on behalf of authenticated WordPress administrators, potentially altering product synchronization data on WooCommerce stores.
Affected Products
- N-Media Bulk Product Sync (sync-wc-google) WordPress plugin
- All versions from initial release through 8.6
- WooCommerce sites relying on the plugin for Google product sync
Discovery Timeline
- 2025-04-01 - CVE-2025-31852 published to NVD
- 2026-06-17 - Last updated in NVD database
Technical Details for CVE-2025-31852
Vulnerability Analysis
The vulnerability exists because the Bulk Product Sync plugin fails to validate anti-CSRF nonces on one or more state-changing endpoints. WordPress provides the wp_nonce_field() and check_admin_referer() primitives specifically to prevent this class of attack, but the affected plugin code paths do not enforce nonce validation before processing requests.
Because the vulnerable action executes under the session cookie of an authenticated administrator, any request originating from a browser holding a valid WordPress session is accepted. The attack results in low integrity impact with no confidentiality or availability impact, according to the assigned CVSS metrics.
The attack requires user interaction, meaning the target administrator must be induced to load attacker-controlled content while logged into the WordPress admin panel. The Exploit Prediction Scoring System (EPSS) score is 0.158%, indicating a low current probability of exploitation in the wild.
Root Cause
The root cause is missing CSRF protection ([CWE-352]) on plugin request handlers. The handlers process incoming POST or GET requests without verifying a nonce tied to the current administrator session, violating WordPress security guidance for admin-facing actions.
Attack Vector
The attack vector is network-based and requires the administrator to interact with a malicious page, email link, or embedded resource. An attacker hosts a page containing an auto-submitting form or an image tag targeting the vulnerable plugin endpoint. When the authenticated administrator visits the page, the browser transmits session cookies with the forged request, and the plugin executes the action.
No verified public exploit code is available. Technical details are documented in the Patchstack CSRF Vulnerability Report.
Detection Methods for CVE-2025-31852
Indicators of Compromise
- Unexpected changes to Bulk Product Sync plugin configuration or synced product data
- WordPress access logs showing administrator POST requests to sync-wc-google endpoints with external Referer headers
- Administrator actions logged from unusual client IP addresses or during atypical hours
- Missing or malformed _wpnonce parameters on plugin action requests
Detection Strategies
- Enable WordPress activity logging and audit plugin-related administrator actions for anomalies
- Monitor web server logs for requests to plugin admin endpoints originating from cross-origin Referer values
- Alert on POST requests to wp-admin paths where the referer does not match the site domain
- Correlate authentication events with plugin state changes to identify session-riding activity
Monitoring Recommendations
- Deploy a web application firewall (WAF) rule set to detect CSRF patterns targeting WordPress plugins
- Track plugin version inventories across managed WordPress instances to identify unpatched deployments
- Retain administrator session logs and HTTP referer data for forensic review
How to Mitigate CVE-2025-31852
Immediate Actions Required
- Update the N-Media Bulk Product Sync plugin to a version above 8.6 once a vendor-supplied patch is available
- Restrict administrator browsing habits and require dedicated browsers or sessions for WordPress management
- Enforce multi-factor authentication for all WordPress administrator accounts to raise the exploitation bar
- Review the Patchstack advisory for the latest patch guidance
Patch Information
The vulnerability affects Bulk Product Sync through version 8.6. Refer to the vendor plugin page and the Patchstack advisory for the current fixed release. Apply updates through the WordPress plugin management interface or via automated patch orchestration.
Workarounds
- Deactivate and remove the Bulk Product Sync plugin until a patched version is installed
- Implement a WAF policy that blocks cross-origin POST requests to wp-admin endpoints associated with the plugin
- Set the SameSite=Strict attribute on WordPress session cookies where feasible to limit cross-site request delivery
- Restrict WordPress admin panel access by IP allowlisting at the reverse proxy or web server layer
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
