CVE-2025-22740 in Sensei LMS Plugin
Summary
by MITRE • 03/28/2025
Missing Authorization vulnerability in Automattic Sensei LMS allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Sensei LMS: from n/a through 4.24.4.
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Analysis
by VulDB Data Team • 03/28/2025
The CVE-2025-22740 vulnerability represents a critical missing authorization flaw within the Automattic Sensei Learning Management System that fundamentally undermines the platform's access control mechanisms. This vulnerability exists in versions ranging from the initial release through 4.24.4, creating a persistent security weakness that could be exploited by malicious actors to gain unauthorized access to sensitive educational content and administrative functions. The issue stems from incorrectly configured access control security levels that fail to properly validate user permissions before granting access to protected resources within the LMS environment.
This technical flaw manifests as a failure in the authorization framework that should enforce role-based access controls for different user types within the Sensei LMS platform. When properly configured, the system should verify that users possess appropriate privileges before allowing access to specific features, course materials, or administrative functions. However, the missing authorization check creates a gap where unauthorized users can bypass normal access restrictions and potentially access content they should not be permitted to view or modify. The vulnerability operates at the application level, affecting the core authorization logic that governs user interactions with the learning management system's functionality.
The operational impact of this vulnerability extends beyond simple unauthorized access to encompass potential data breaches, content manipulation, and disruption of educational workflows. Attackers could exploit this weakness to access student records, view restricted course materials, modify lesson content, or even assume administrative privileges within the LMS environment. This creates significant risks for educational institutions that rely on Sensei LMS for their digital learning infrastructure, potentially exposing sensitive academic data and compromising the integrity of their learning management processes. The vulnerability's persistence across multiple versions indicates a systemic issue in the authorization implementation that requires comprehensive remediation.
Security professionals should address this vulnerability through immediate patching of affected systems and implementation of proper access control validation measures. Organizations must ensure that all instances of Sensei LMS are updated to versions that contain the authorization fixes, while also conducting thorough security assessments to identify any potential exploitation that may have occurred. The remediation process should include verification of access control configurations and implementation of additional security layers such as network segmentation and monitoring of unauthorized access attempts. This vulnerability aligns with CWE-285, which addresses improper authorization issues, and represents a clear violation of the principle of least privilege that forms a fundamental pillar of secure system design. The ATT&CK framework categorizes this as a privilege escalation technique, where attackers leverage misconfigured access controls to gain elevated system access. Organizations should also implement continuous monitoring solutions to detect anomalous access patterns that might indicate exploitation attempts and establish regular security audits to ensure proper access control configurations remain in place.