CVE-2025-26969 Overview
CVE-2025-26969 is a Missing Authorization vulnerability [CWE-862] in the Aldo Latino PrivateContent WordPress plugin. The flaw affects all plugin versions up to and including 8.11.5. Authenticated users with low privileges, such as Subscribers, can bypass access control checks and perform actions reserved for higher-privileged accounts. The vulnerability is network-exploitable with low attack complexity and produces site-wide broken access control conditions on affected WordPress installations.
Critical Impact
Authenticated attackers with Subscriber-level access can compromise integrity and availability across the WordPress site by exploiting missing authorization checks in the PrivateContent plugin.
Affected Products
- Aldo Latino PrivateContent WordPress plugin
- All versions from n/a through 8.11.5
- WordPress sites running the vulnerable plugin with subscriber registration enabled
Discovery Timeline
- 2025-03-15 - CVE-2025-26969 published to NVD
- 2026-04-28 - Last updated in NVD database
Technical Details for CVE-2025-26969
Vulnerability Analysis
The vulnerability stems from missing authorization checks within the PrivateContent plugin's privileged action handlers. The plugin exposes functionality that should be restricted to administrators, but the request handlers do not verify whether the calling user holds the required role or capability. Any authenticated user, including a Subscriber, can invoke these endpoints and trigger administrative behavior.
This class of weakness is tracked as [CWE-862] Missing Authorization. The plugin authenticates the request but skips the secondary capability check that WordPress recommends through current_user_can() calls. As a result, the access control model collapses to authentication alone.
Exploitation impacts integrity and availability heavily, while confidentiality impact is limited. Attackers can modify protected content rules, alter plugin configuration, or disrupt site operations. See the Patchstack Vulnerability Report for additional technical context.
Root Cause
The root cause is the absence of capability validation in plugin request handlers. The code path trusts authenticated sessions without verifying user role, allowing privilege boundaries to be crossed.
Attack Vector
An attacker first obtains a Subscriber account on the target WordPress site, which is often available through open registration. The attacker then sends crafted HTTP requests to PrivateContent plugin endpoints to invoke privileged actions. No user interaction is required beyond the authenticated session.
No verified proof-of-concept code is publicly available. Refer to the Patchstack advisory for additional technical references.
Detection Methods for CVE-2025-26969
Indicators of Compromise
- Unexpected modifications to PrivateContent plugin settings or protected content rules
- HTTP POST requests to plugin AJAX endpoints originating from Subscriber-level user sessions
- New or altered WordPress options entries associated with the private-content plugin
- Privilege role changes on user accounts that were not initiated by an administrator
Detection Strategies
- Audit WordPress access logs for requests to PrivateContent plugin endpoints from non-administrative users
- Compare current plugin configuration against a known-good baseline to identify unauthorized changes
- Review the wp_users and wp_usermeta tables for capability or role anomalies
- Enable WordPress audit logging plugins to capture privileged actions and the user context that invoked them
Monitoring Recommendations
- Alert on any authenticated POST requests to PrivateContent admin-ajax handlers from accounts without manage_options capability
- Monitor for sudden role escalations or option table writes outside scheduled maintenance windows
- Track plugin version inventory across WordPress fleets to identify hosts still running 8.11.5 or earlier
How to Mitigate CVE-2025-26969
Immediate Actions Required
- Identify all WordPress sites running the PrivateContent plugin and confirm the installed version
- Update PrivateContent to a release later than 8.11.5 once the vendor publishes a fixed version
- Disable open user registration on affected sites until patching is complete
- Review existing user accounts and remove untrusted Subscriber-level accounts created recently
Patch Information
The advisory tracked at the Patchstack Vulnerability Report lists vulnerable versions through 8.11.5. Administrators should apply the latest plugin update from the vendor and verify the version after upgrade.
Workarounds
- Deactivate the PrivateContent plugin until a patched version is installed
- Restrict access to wp-admin/admin-ajax.php for low-privilege users through a Web Application Firewall rule
- Set WordPress to disallow new user registrations via Settings > General until patching is complete
- Apply virtual patching rules from Patchstack or an equivalent WordPress firewall service
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
