CVE-2026-0912: Toret Manager Privilege Escalation Flaw

CVE-2026-0912 Overview

The Toret Manager plugin for WordPress contains a privilege escalation vulnerability due to missing capability checks on the trman_save_option and trman_save_option_items functions. This flaw allows authenticated attackers with minimal Subscriber-level access to modify arbitrary WordPress site options, potentially escalating their privileges to administrator level. The vulnerability affects all versions up to and including 1.2.7.

Critical Impact

Authenticated attackers with low-privilege Subscriber accounts can modify site options to enable user registration with administrator role, achieving full site compromise.

Affected Products

• Toret Manager WordPress Plugin versions up to and including 1.2.7
• WordPress sites with the Toret Manager plugin installed and subscriber registration enabled
• Any WordPress installation allowing authenticated user access with Toret Manager active

Discovery Timeline

• 2026-02-19 - CVE-2026-0912 published to NVD
• 2026-02-19 - Last updated in NVD database

Technical Details for CVE-2026-0912

Vulnerability Analysis

This vulnerability is classified as CWE-269 (Improper Privilege Management), representing a Broken Access Control flaw in the Toret Manager WordPress plugin. The core issue lies in the absence of proper capability checks within two critical administrative functions.

The trman_save_option function located at line 210 and the trman_save_option_items function at line 227 of class-toret-manager-admin.php fail to verify whether the requesting user has the appropriate permissions to modify WordPress options. This architectural oversight allows any authenticated user, regardless of their actual role level, to invoke these functions and arbitrarily update site-wide configuration settings.

The practical exploitation path involves modifying the default_role option to set new user registrations as administrators, combined with enabling the users_can_register option. An attacker with only Subscriber access can then register a new administrator account or modify their existing account privileges.

Root Cause

The root cause is a missing authorization check (capability verification) in the plugin's administrative functions. WordPress plugins must implement proper current_user_can() checks before allowing option modifications. The Toret Manager plugin developers failed to enforce role-based access control on the trman_save_option and trman_save_option_items functions, leaving these endpoints accessible to any logged-in user.

Attack Vector

The attack is network-based and requires low privileges (any authenticated user with at least Subscriber access). The exploitation process involves:

1. An attacker authenticates to WordPress with a low-privilege account (Subscriber level or above)
2. The attacker sends crafted requests to the vulnerable plugin functions without needing administrator capabilities
3. The attacker modifies the default_role WordPress option to administrator
4. The attacker enables user registration via the users_can_register option
5. The attacker registers a new account which is automatically granted administrator privileges

This attack requires no user interaction and can be exploited remotely over the network. The vulnerability is detailed in the Wordfence Vulnerability Intelligence report and the vulnerable code can be reviewed in the WordPress Plugin Trac repository.

Detection Methods for CVE-2026-0912

Indicators of Compromise

• Unexpected changes to the default_role WordPress option, particularly to administrator
• Unexplained modifications to the users_can_register option
• New administrator accounts created without proper authorization workflow
• Unusual POST requests to Toret Manager plugin endpoints from low-privilege users
• Database modifications to the wp_options table by non-administrator sessions

Detection Strategies

• Monitor WordPress wp_options table for unauthorized modifications to critical settings like default_role and users_can_register
• Implement Web Application Firewall (WAF) rules to flag suspicious requests to Toret Manager plugin AJAX handlers
• Review WordPress access logs for authenticated requests to plugin admin functions from non-administrator IP addresses or user agents
• Set up real-time alerting for any new administrator account registrations

Monitoring Recommendations

• Enable WordPress audit logging plugins to track all option changes with user attribution
• Configure SIEM alerts for privilege escalation patterns such as Subscriber-to-Administrator role changes
• Regularly review the WordPress user list for unauthorized administrator accounts
• Monitor plugin file integrity to detect any modifications to Toret Manager plugin files

How to Mitigate CVE-2026-0912

Immediate Actions Required

• Immediately update the Toret Manager plugin to a patched version (above 1.2.7) when available
• Review all WordPress administrator accounts and remove any unauthorized users
• Audit the default_role and users_can_register options to ensure they are set to secure values
• Consider temporarily disabling the Toret Manager plugin until a security patch is released
• Restrict user registration on WordPress sites using this plugin until mitigation is complete

Patch Information

At the time of publication, affected site administrators should check for updates from the Toret Manager plugin developers. The vulnerable code is located in admin/class-toret-manager-admin.php at line 210 and line 227. Monitor the WordPress plugin repository and the Wordfence vulnerability intelligence for patch release announcements.

Workarounds

• Disable the Toret Manager plugin entirely if it is not critical to site operations
• Implement a Web Application Firewall rule to block unauthenticated or low-privilege requests to the plugin's admin AJAX endpoints
• Remove all Subscriber, Contributor, and Author accounts that are not strictly necessary
• Use WordPress security plugins to lock down option modification capabilities
• Consider implementing network-level access restrictions to the WordPress admin area

# Configuration example
# Disable user registration via wp-config.php as a temporary workaround
# Add the following to wp-config.php before the "That's all, stop editing!" line

# Ensure users_can_register is disabled at the application level
# Note: This should be verified in WordPress Settings > General as well

# To verify current WordPress option values via WP-CLI:
wp option get default_role
wp option get users_can_register

# Reset to secure defaults if modified:
wp option update default_role subscriber
wp option update users_can_register 0

# List all administrator accounts for review:
wp user list --role=administrator --fields=ID,user_login,user_email,user_registered