CVE-2026-110891 in WordLift Plugin
Summary
by MITRE • 10/15/2026
Missing Authorization vulnerability in WordLift Srl WordLift wordlift allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects WordLift: from n/a through 3.54.15.
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Analysis
by VulDB Data Team • 10/15/2026
The identified security flaw represents a critical failure in access control mechanisms within the WordLift software suite, specifically affecting versions ranging from initial releases up to version 3.54.15. This vulnerability is classified as a Missing Authorization issue, which fundamentally indicates that the application fails to properly verify whether an authenticated user has the necessary permissions to perform specific actions or access certain resources. In practical terms, this means that while users may be successfully logged into the system, the backend logic does not adequately enforce role-based or attribute-based restrictions on API endpoints or administrative functions. Consequently, attackers who have obtained valid credentials for a low-privilege account can manipulate requests to execute operations reserved for administrators or other high-privileged roles. This type of flaw is commonly associated with Broken Access Control vulnerabilities where the server relies solely on client-side checks or fails to validate session tokens against user privileges during request processing.
From a technical perspective, this vulnerability allows an attacker to bypass intended security boundaries by directly interacting with internal application interfaces that are not properly secured. The operational impact is severe, as it can lead to unauthorized data modification, deletion of critical content, or the escalation of privileges within the WordPress environment powered by WordLift. Attackers could potentially alter SEO metadata, inject malicious scripts through configuration changes, or access sensitive user information depending on what specific endpoints are exposed and misconfigured. The lack of proper authorization checks means that any authenticated user can act beyond their assigned role, effectively compromising the integrity and confidentiality of the entire website infrastructure managed by the plugin. This aligns with CWE-269, which covers Improper Privilege Management, highlighting the system's inability to maintain distinct security levels for different users.
The exploitation of this vulnerability typically involves crafting specific HTTP requests that target administrative functions or data manipulation endpoints without providing valid authorization headers or using tokens associated with a privileged account. Since WordLift integrates deeply with WordPress content management systems, compromising these access controls can have cascading effects on the broader web application ecosystem. The attacker does not need to exploit complex buffer overflows or injection flaws; instead, they leverage the logical error in how permissions are evaluated during runtime. This simplicity makes it a high-risk vulnerability that is easily exploitable by automated tools and script kiddies alike, increasing the likelihood of widespread compromise across sites using affected versions.
To mitigate this risk, immediate action must be taken to upgrade WordLift to a version later than 3.54.15 where these authorization checks have been corrected. If upgrading is not immediately feasible, administrators should implement strict network-level controls such as Web Application Firewalls that can detect and block anomalous requests targeting administrative endpoints from non-admin IP addresses or user agents. Additionally, enforcing multi-factor authentication for all administrator accounts adds a layer of defense against credential theft, which is often the precursor to exploiting missing authorization flaws. Regular security audits focusing on access control logic are recommended to ensure that no other similar misconfigurations exist within the application's codebase. This incident underscores the importance of rigorous server-side validation of user permissions in all web applications, particularly those integrated with content management systems where data integrity is paramount.