CVE-2026-3550 in RockPress Plugin
Summary
by MITRE • 03/20/2026
The RockPress plugin for WordPress is vulnerable to Missing Authorization in all versions up to, and including, 1.0.17. This is due to missing capability checks on multiple AJAX actions (rockpress_import, rockpress_import_status, rockpress_last_import, rockpress_reset_import, and rockpress_check_services) combined with the plugin's nonce being exposed to all authenticated users via an unconditionally enqueued admin script. The plugin enqueues the 'rockpress-admin' script on all admin pages (including profile.php) without any page or capability restrictions, and the nonce for the 'rockpress-nonce' action is passed to this script via wp_localize_script. Since the AJAX handlers only verify this nonce and do not check current_user_can(), any authenticated user, including Subscribers, can extract the nonce from any admin page's HTML source and use it to trigger imports, reset import data (deleting options), check service connectivity, and read import status information. This makes it possible for authenticated attackers, with Subscriber-level access and above, to trigger resource-intensive import operations, reset import tracking data, and perform system connection checks that should be restricted to administrators.
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Analysis
by VulDB Data Team • 03/26/2026
The vulnerability identified as CVE-2026-3550 affects the RockPress plugin for WordPress, presenting a critical authorization flaw that undermines the security model of the platform. This issue stems from the plugin's failure to implement proper capability checks on several critical AJAX endpoints, creating a pathway for unauthorized actions that should be restricted to administrators only. The vulnerability exists across all versions up to and including 1.0.17, making it a widespread concern for WordPress installations using this plugin. The flaw specifically targets the plugin's AJAX handlers including rockpress_import, rockpress_import_status, rockpress_last_import, rockpress_reset_import, and rockpress_check_services, which are designed to manage import operations and system connectivity checks. These endpoints lack proper authentication verification, relying solely on nonce validation without confirming user privileges.
The technical implementation of this vulnerability demonstrates a fundamental flaw in the plugin's security architecture where the rockpress-admin script is enqueued unconditionally on all admin pages, including sensitive areas like profile.php. This unconditional script loading exposes the rockpress-nonce to all authenticated users through wp_localize_script function, which passes the nonce value directly to the frontend JavaScript environment. The nonce for the rockpress-nonce action becomes accessible to any authenticated user, regardless of their role or permissions within the WordPress system. This exposure creates a scenario where malicious users can extract the nonce from HTML source code and utilize it to perform administrative actions without proper authorization. The vulnerability is classified as a Missing Authorization issue under CWE-862, which specifically addresses insufficient authorization checks that allow unauthorized access to protected resources.
The operational impact of this vulnerability extends beyond simple privilege escalation, creating significant risks for WordPress installations that rely on the RockPress plugin for data management operations. Authenticated attackers with Subscriber-level access or higher can leverage this flaw to execute resource-intensive import operations that could consume server resources and potentially cause denial of service conditions. The ability to reset import tracking data through rockpress_reset_import endpoint allows attackers to delete important configuration options and tracking information, disrupting legitimate import processes. Additionally, the vulnerability permits unauthorized access to import status information and service connectivity checks, providing attackers with insights into the system's operational state. These capabilities align with ATT&CK technique T1078.004 for valid accounts and T1059.001 for command and scripting interpreter, as attackers can use the exposed functionality to manipulate system resources and gather intelligence about the environment. The resource consumption aspect of this vulnerability makes it particularly dangerous in shared hosting environments or systems with limited computational resources.
Mitigation strategies for this vulnerability require immediate action from administrators to address the exposed nonce issue and implement proper authorization checks. The most effective immediate solution involves updating the RockPress plugin to a version that addresses this vulnerability, as the developers have likely released a patched version that removes the unconditional script enqueueing and implements proper capability checks on all AJAX endpoints. Administrators should also consider implementing additional security measures such as restricting access to admin pages through .htaccess rules or implementing role-based access controls that limit which authenticated users can access specific plugin functionality. The plugin's script enqueueing logic must be modified to only load on pages where the RockPress functionality is actually needed, rather than unconditionally on all admin pages. Security professionals should also consider monitoring for suspicious import activities and implementing rate limiting on AJAX endpoints to prevent abuse of the exposed functionality. Organizations should conduct thorough security audits of all installed plugins to identify similar authorization flaws, as this vulnerability pattern may exist in other WordPress plugins that fail to properly validate user capabilities before executing privileged operations. The vulnerability demonstrates the importance of proper security testing and code review practices, particularly for plugins that handle sensitive data operations and require elevated privileges to function correctly.