CVE-2026-109890 in Premium Addons for Elementor Plugin
Summary
by MITRE • 10/13/2026
Missing Authorization vulnerability in LeapWorx Premium Addons for Elementor premium-addons-for-elementor allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Premium Addons for Elementor: from n/a through 4.11.110.
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Analysis
by VulDB Data Team • 10/13/2026
The identified vulnerability represents a critical failure in access control mechanisms within the LeapWorx Premium Addons plugin for WordPress, specifically affecting versions ranging from initial releases up to version 4.11.110. This flaw is classified under CWE-285, which denotes Improper Authorization, and aligns with MITRE ATT&CK technique T1078, Valid Accounts, as it allows attackers to bypass intended security restrictions by exploiting misconfigured access control levels. The core technical issue stems from the application's failure to adequately verify user privileges before processing sensitive administrative actions or data retrieval requests. In a properly secured environment, every request that modifies state or exposes confidential information must be validated against the current user’s role and capabilities. However, in this instance, the plugin fails to enforce these checks consistently across its various endpoints and functions, creating an opportunity for unauthorized actors to interact with features reserved exclusively for administrators or other privileged roles.
From a technical perspective, the vulnerability likely manifests through insecure direct object references or missing server-side validation of user session tokens associated with administrative capabilities. An attacker who has obtained valid credentials for even a low-privilege account, such as a subscriber or contributor, can manipulate HTTP requests to trigger functions that are intended only for administrators. This could include modifying site settings, accessing private content, installing or activating other plugins, or executing arbitrary code if the compromised function interacts with database operations in an unsafe manner. The absence of robust authorization checks means that the application trusts client-supplied input regarding user identity and permissions without sufficient verification on the server side. This is a common architectural flaw in many WordPress plugins where developers assume that because a page requires login, all actions within it are safe for any logged-in user, ignoring the distinction between different levels of access.
The operational impact of this vulnerability is severe due to the widespread adoption of Elementor and its associated premium addons in the web development community. Successful exploitation allows an attacker to escalate privileges from a low-level account to full administrative control over the WordPress installation. This level of compromise enables complete takeover of the website, including defacement, data exfiltration, malware injection, and using the server as a pivot point for further attacks against internal networks or other hosted services. Given that many organizations rely on these sites for e-commerce transactions, customer data storage, and brand representation, such an incident can lead to significant financial loss, regulatory penalties under frameworks like GDPR or CCPA due to personal data exposure, and long-term reputational damage. The ability to execute actions without proper authorization undermines the fundamental principle of least privilege, which is essential for maintaining a secure IT infrastructure.
Mitigation strategies must focus on immediate remediation through software updates and enhanced security configurations. Users running affected versions should immediately update Premium Addons for Elementor to version 4.11.111 or later, where this authorization flaw has been addressed by the developers. In addition to updating, administrators should enforce strict role-based access control policies within WordPress, ensuring that only trusted individuals have administrator privileges and that user accounts are regularly audited for unnecessary permissions. Implementing a Web Application Firewall can provide an additional layer of defense by detecting and blocking anomalous request patterns associated with privilege escalation attempts. Furthermore, developers integrating similar addons into custom themes or plugins should rigorously implement capability checks using WordPress functions such as current_user_can before executing any administrative logic, ensuring that authorization is validated at every critical decision point in the code execution path to prevent future occurrences of this class of vulnerability.