CVE-2025-47534 Overview
CVE-2025-47534 is a Missing Authorization vulnerability [CWE-862] in the ValvePress WordPress Auto Spinner plugin (wp-auto-spinner). The flaw affects all versions up to and including 3.25.0. Authenticated attackers with low privileges can exploit incorrectly configured access control checks to invoke plugin functionality intended for higher-privileged users. The vulnerability requires network access and low-privileged authentication with no user interaction. Successful exploitation impacts integrity by allowing unauthorized modification of plugin data or configuration on affected WordPress sites.
Critical Impact
Authenticated low-privileged users can bypass access control checks in the WordPress Auto Spinner plugin to perform actions restricted to administrators, leading to unauthorized changes on the WordPress site.
Affected Products
- ValvePress WordPress Auto Spinner plugin (wp-auto-spinner)
- Versions from n/a through 3.25.0
- WordPress sites with the plugin installed and activated
Discovery Timeline
- 2025-05-16 - CVE-2025-47534 published to the National Vulnerability Database (NVD)
- 2026-06-17 - Last updated in NVD database
Technical Details for CVE-2025-47534
Vulnerability Analysis
The vulnerability stems from missing authorization checks on one or more plugin endpoints in WordPress Auto Spinner. WordPress plugins typically enforce access control through current_user_can() capability checks combined with nonce verification via check_admin_referer() or wp_verify_nonce(). When these checks are absent or misconfigured, any authenticated user, including subscribers, can invoke administrative actions.
The plugin exposes functionality that should be restricted to users with the manage_options capability. Instead, the endpoints validate only that a session exists. This allows low-privileged accounts to trigger operations tied to plugin configuration or content processing.
The integrity impact is limited but real: attackers cannot read sensitive data or cause denial of service, but they can alter plugin behavior. On sites with open user registration, this attack surface is available to any registered user.
Root Cause
The root cause is an incorrectly configured access control security level [CWE-862]. Plugin handlers registered via WordPress action hooks such as admin_post_* or wp_ajax_* fail to enforce the required capability check before executing privileged logic. The Patchstack advisory characterizes this as broken access control affecting versions up to 3.25.0.
Attack Vector
An attacker first authenticates to the target WordPress site using any low-privileged account. The attacker then submits a crafted HTTP request directly to the vulnerable plugin endpoint. Because the endpoint does not verify the caller's role, the plugin executes the requested action as if the caller were authorized. No user interaction from an administrator is required.
Refer to the Patchstack Vulnerability Report for endpoint-level technical details.
Detection Methods for CVE-2025-47534
Indicators of Compromise
- Unexpected POST requests to wp-admin/admin-ajax.php or wp-admin/admin-post.php originating from non-administrator user sessions targeting wp-auto-spinner actions.
- Unauthorized changes to WordPress Auto Spinner plugin settings, spinning rules, or scheduled tasks recorded in the WordPress database.
- Newly registered low-privileged accounts followed shortly by requests to plugin endpoints.
Detection Strategies
- Audit WordPress access logs for HTTP requests referencing wp-auto-spinner action parameters submitted by users lacking the manage_options capability.
- Enable WordPress activity logging plugins to record plugin setting changes and correlate them with the acting user's role.
- Compare current plugin configuration against a known-good baseline to identify unauthorized modifications.
Monitoring Recommendations
- Alert on sessions from subscriber or contributor roles that issue requests to administrative AJAX endpoints.
- Monitor for anomalous spikes in registrations followed by immediate plugin interaction.
- Forward WordPress and web server logs to a centralized SIEM for retention and correlation across sites.
How to Mitigate CVE-2025-47534
Immediate Actions Required
- Update the WordPress Auto Spinner plugin to a version later than 3.25.0 once the vendor publishes a fixed release.
- Review all WordPress user accounts and remove or suspend unnecessary low-privileged accounts.
- Disable open user registration if it is not required for site operation.
Patch Information
As of the NVD record, the affected range is documented as "from n/a through <= 3.25.0." Administrators should consult the Patchstack Vulnerability Report and the ValvePress plugin changelog for the fixed version and apply the update through the WordPress admin dashboard or via WP-CLI.
Workarounds
- Deactivate and remove the WordPress Auto Spinner plugin until a patched version is installed.
- Restrict access to wp-admin/admin-ajax.php and wp-admin/admin-post.php at the web application firewall (WAF) layer for non-administrator IP ranges where feasible.
- Enforce the principle of least privilege by ensuring all accounts hold only the minimum WordPress role required.
# Deactivate the vulnerable plugin using WP-CLI until a patched version is applied
wp plugin deactivate wp-auto-spinner
# After the vendor publishes a fixed release, update and reactivate
wp plugin update wp-auto-spinner
wp plugin activate wp-auto-spinner
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
