CVE-2026-109926 in Productive Commerce Plugin
Summary
by MITRE • 10/21/2026
The Productive Commerce WordPress plugin before 1.1.49 does not perform a capability check in one of its AJAX actions and exposes the nonce that guards it on every admin-area page, allowing any authenticated user such as a subscriber to activate arbitrary Productive Commerce WordPress plugin before 1.1.49 already installed on the site.
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Analysis
by VulDB Data Team • 10/21/2026
The vulnerability identified within versions of the Productive Commerce WordPress plugin prior to release 1.1.49 represents a critical failure in access control mechanisms, specifically categorized under CWE-285 Improper Authorization and CWE-352 Cross-Site Request Forgery. This flaw stems from an incomplete implementation of security checks during AJAX operations that are intended for administrative functions but lack the necessary capability verification to ensure only users with elevated privileges can execute them. In a secure WordPress environment, actions requiring administrative capabilities must verify user roles using functions such as current_user_can before processing any request. The absence of this check allows authenticated users with minimal privileges, including subscribers who typically have no access to plugin settings or configurations, to interact directly with these endpoints.
The technical mechanism enabling this exploitation involves the improper handling of nonces and capability checks. Nonces in WordPress are designed to prevent Cross-Site Request Forgery by ensuring that a request originated from a legitimate source within the current session. However, security is compromised when the nonce guarding an action is exposed on every admin-area page rather than being generated dynamically for specific contexts or restricted to pages where it is actually required. By exposing this token broadly across the administration interface, attackers can easily capture valid nonces through simple browser inspection tools without needing complex social engineering techniques. When combined with the missing capability check, these captured nonces allow any logged-in user to forge requests that appear legitimate to the server, effectively bypassing authentication barriers intended for higher-privilege roles.
The operational impact of this vulnerability is severe because it allows privilege escalation from a low-level account such as subscriber to an administrative level within the context of the Productive Commerce plugin. An attacker who gains access with subscriber credentials can activate arbitrary features or configurations that are normally restricted to administrators. This could lead to unauthorized modifications of e-commerce settings, manipulation of transaction data, or potentially further exploitation if the activated components have their own vulnerabilities. The ability to trigger administrative actions without proper authorization undermines the integrity and confidentiality of the entire WordPress installation, as it erodes the principle of least privilege that is fundamental to secure system design.
Mitigation strategies for this vulnerability involve immediate updates to version 1.1.49 or later where these issues have been addressed by developers. For sites unable to update immediately due to compatibility concerns, manual remediation requires auditing plugin code to ensure all AJAX handlers include strict capability checks using WordPress core functions like current_user_can with appropriate role parameters such as manage_options or edit_posts depending on the specific action. Additionally, nonces should be generated and validated in a context-specific manner rather than being hardcoded or broadly exposed across multiple admin pages. Security plugins that monitor for unusual administrative activity can also provide an additional layer of defense by alerting administrators to unauthorized attempts at privilege escalation via AJAX endpoints. Regular security audits and adherence to OWASP guidelines for web application security are recommended to prevent similar authorization flaws in future development cycles.