CVE-2025-54671 Overview
CVE-2025-54671 is a Cross-Site Request Forgery (CSRF) vulnerability in the oik WordPress plugin developed by bobbingwide. The flaw affects all versions up to and including 4.15.2. An attacker can craft a malicious web page that, when visited by an authenticated WordPress user, triggers unintended state-changing requests against the target site. The vulnerability is classified under CWE-352: Cross-Site Request Forgery. Exploitation requires user interaction, and successful attacks result in limited integrity impact without compromising confidentiality or availability.
Critical Impact
Authenticated WordPress administrators visiting attacker-controlled content can be tricked into executing unauthorized plugin actions, altering site state without consent.
Affected Products
- bobbingwide oik WordPress plugin versions up to and including 4.15.2
- WordPress sites with the oik plugin installed and activated
- Administrator sessions authenticated to vulnerable WordPress installations
Discovery Timeline
- 2025-08-14 - CVE-2025-54671 published to NVD
- 2026-06-17 - Last updated in NVD database
Technical Details for CVE-2025-54671
Vulnerability Analysis
The oik plugin fails to validate the origin of authenticated state-changing requests. WordPress provides nonce-based CSRF protection through the wp_nonce_field() and check_admin_referer() APIs, but the affected plugin endpoints do not enforce these checks consistently. An attacker who lures an authenticated user to a malicious page can issue forged HTTP requests that the target site accepts as legitimate. The scope is limited to actions the victim is authorized to perform. The EPSS score indicates a low probability of near-term exploitation, but the attack requires only network access and a user click.
Root Cause
The root cause is missing or improperly implemented CSRF token validation on privileged plugin actions. The plugin does not verify a per-session nonce accompanying requests that modify configuration or trigger administrative operations. Without this token check, the browser's automatic inclusion of session cookies allows cross-origin requests to succeed against the WordPress admin context.
Attack Vector
Exploitation follows a classic CSRF pattern. The attacker hosts a page containing an auto-submitting HTML form or JavaScript fetch request targeting a vulnerable oik plugin endpoint on the victim's WordPress site. The victim, already authenticated to WordPress in the same browser, visits the attacker's page. The browser attaches valid session cookies to the forged request, and the plugin processes it as an authorized action. See the Patchstack WordPress Plugin Advisory for technical details on the affected endpoints.
Detection Methods for CVE-2025-54671
Indicators of Compromise
- Unexpected changes to oik plugin configuration or WordPress site content originating from administrator sessions
- Web server access logs showing POST requests to oik plugin endpoints with external Referer headers or missing Referer values
- WordPress audit logs recording administrative actions without corresponding admin panel navigation events
Detection Strategies
- Monitor HTTP request logs for state-changing requests to wp-admin endpoints associated with the oik plugin where the Referer header does not match the site's own domain
- Correlate WordPress user session activity with request origin metadata to identify off-domain triggered actions
- Deploy a web application firewall (WAF) rule set that flags POST requests to plugin admin handlers lacking valid nonce parameters
Monitoring Recommendations
- Enable a WordPress audit logging plugin to capture administrative actions with source IP, user agent, and referrer
- Alert on administrative changes made outside standard business hours or from unfamiliar browser sessions
- Review web server logs for cross-origin POST requests targeting /wp-admin/admin.php or /wp-admin/admin-ajax.php with oik-related action parameters
How to Mitigate CVE-2025-54671
Immediate Actions Required
- Identify all WordPress sites running the oik plugin at version 4.15.2 or earlier through plugin inventory scans
- Update the oik plugin to a patched release when the vendor publishes a fix, or deactivate and remove the plugin if no patch is available
- Instruct WordPress administrators to log out of admin sessions when not actively using the dashboard
Patch Information
At the time of publication, the affected version range covers all releases up to and including 4.15.2. Consult the Patchstack WordPress Plugin Advisory for the latest fixed version information and vendor release notes.
Workarounds
- Deactivate the oik plugin until a patched version is confirmed available
- Deploy a WAF rule that enforces same-origin Referer validation on WordPress admin endpoints exposed by the plugin
- Require administrators to use separate browser profiles or private browsing sessions for WordPress administration to limit cookie exposure to attacker-controlled pages
# Configuration example: temporarily deactivate the oik plugin via WP-CLI
wp plugin deactivate oik
wp plugin status oik
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
