CVE-2025-54694 Overview
CVE-2025-54694 is a Cross-Site Request Forgery (CSRF) vulnerability [CWE-352] affecting the bPlugins Button Block plugin for WordPress. The flaw impacts all plugin versions up to and including 1.2.0. An attacker can trick an authenticated user into submitting a forged request that performs unintended actions within the plugin. Exploitation requires user interaction, such as clicking a malicious link or visiting a crafted page while authenticated to the target WordPress site.
Critical Impact
An attacker can leverage a victim's authenticated session to modify plugin state or settings without consent, resulting in limited integrity impact on the affected WordPress site.
Affected Products
- bPlugins Button Block (button-block) WordPress plugin
- All versions from n/a through 1.2.0
- WordPress sites with the vulnerable plugin installed and activated
Discovery Timeline
- 2025-08-14 - CVE-2025-54694 published to NVD
- 2026-06-17 - Last updated in NVD database
Technical Details for CVE-2025-54694
Vulnerability Analysis
The vulnerability stems from missing or insufficient CSRF protections in the Button Block plugin. WordPress plugins are expected to validate state-changing requests using nonces generated with wp_create_nonce() and verified via check_admin_referer() or wp_verify_nonce(). The Button Block plugin fails to enforce these checks on at least one privileged action handler through version 1.2.0.
An attacker crafts a malicious page containing a forged HTTP request targeting the plugin's endpoint. When an authenticated WordPress user with sufficient privileges visits that page, the browser automatically attaches session cookies. The server processes the request as legitimate because it lacks anti-CSRF token validation.
The impact is limited to integrity. The confidentiality and availability of the site remain unaffected by direct exploitation of this flaw.
Root Cause
The root cause is the absence of nonce verification on one or more state-changing operations exposed by the Button Block plugin. Without a token bound to the user session, the plugin cannot distinguish between a legitimate request originating from the WordPress admin interface and a forged request initiated by an external site.
Attack Vector
Exploitation occurs over the network and requires user interaction. The attacker must convince an authenticated WordPress user, typically an administrator or editor, to visit a page containing a crafted <form> or JavaScript payload. The forged request submits to the vulnerable Button Block endpoint using the victim's cookies. No credentials or prior privileges are required by the attacker.
The vulnerability mechanism is described in prose because no verified public proof-of-concept code is available. See the PatchStack Vulnerability Report for additional technical context.
Detection Methods for CVE-2025-54694
Indicators of Compromise
- Unexpected modifications to Button Block settings or content blocks without corresponding administrator activity in audit logs.
- HTTP POST or GET requests to Button Block plugin endpoints with Referer headers pointing to external, untrusted domains.
- Admin session activity originating from unusual IP addresses immediately following a user visit to an external URL.
Detection Strategies
- Review WordPress access logs for requests targeting button-block plugin paths that lack a valid nonce parameter or contain suspicious Referer values.
- Enable WordPress audit logging plugins to track configuration and content changes attributable to specific user accounts and sessions.
- Correlate browser history or web proxy logs from administrator workstations with unexplained plugin state changes on the WordPress site.
Monitoring Recommendations
- Monitor outbound requests from administrator browsers to third-party domains during authenticated WordPress sessions.
- Alert on any modification to WordPress plugin configuration that occurs outside expected administrative windows.
- Deploy a Web Application Firewall (WAF) rule set that flags cross-origin POST requests to WordPress admin endpoints missing the _wpnonce parameter.
How to Mitigate CVE-2025-54694
Immediate Actions Required
- Update the Button Block plugin to a version later than 1.2.0 once the vendor publishes a fix.
- If no patched version is available, deactivate and remove the Button Block plugin from all WordPress installations.
- Instruct administrators to log out of WordPress when not actively managing the site to reduce the exploitation window.
Patch Information
At the time of publication, the enriched CVE data does not list a fixed version. Consult the PatchStack Vulnerability Report and the plugin's official WordPress.org listing for the latest patched release.
Workarounds
- Restrict access to /wp-admin/ using IP allowlists at the reverse proxy or WAF layer to reduce exposure to forged requests.
- Enforce SameSite=Lax or SameSite=Strict attributes on WordPress authentication cookies to block cross-site request delivery.
- Require administrators to use dedicated browser profiles or isolated sessions when performing WordPress management tasks.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
