CVE-2026-62128 in Creator LMS Plugin
Summary
by MITRE • 10/08/2026
Missing Authorization vulnerability in Creator LMS Creator LMS creatorlms allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Creator LMS: from n/a through 1.2.21.
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Analysis
by VulDB Data Team • 10/08/2026
The identified security flaw within Creator LMS represents a critical failure in access control mechanisms, specifically categorized under the domain of broken object level authorization or insecure direct object references depending on the specific implementation details not fully disclosed in the summary. This vulnerability allows an attacker to exploit incorrectly configured access control security levels, effectively bypassing intended restrictions that should limit user privileges based on their role or authentication status. In a typical Learning Management System architecture, such as Creator LMS, different user roles including students, instructors, and administrators possess distinct permissions for viewing, creating, modifying, and deleting content. When these controls are misconfigured or improperly enforced at the application logic layer rather than solely relying on client-side checks, it creates an opportunity for unauthorized actors to escalate their privileges or access sensitive data belonging to other users or system components.
From a technical perspective, this vulnerability likely stems from insufficient server-side validation of user permissions when processing requests that modify or retrieve resources. An attacker could manipulate request parameters such as identifiers for courses, assignments, grades, or administrative settings to interact with objects they are not authorized to access. This type of flaw is frequently associated with CWE-284 Improper Access Control and CWE-639 Authorization Bypass Through User-Controlled Key if the exploitation involves manipulating unique keys or IDs within URLs or API payloads. The absence of robust session management checks during these operations means that once an attacker authenticates, even as a low-level user like a student, they can potentially execute actions reserved for higher-privileged roles such as instructors or system administrators without triggering appropriate denial responses from the server.
The operational impact of this vulnerability is severe and multifaceted. It compromises the confidentiality of sensitive educational data, including personal information of students and staff, academic records, and proprietary course materials. Beyond privacy breaches, it threatens the integrity of the learning environment by allowing unauthorized modifications to grades, curriculum content, or user accounts. An attacker could alter final grades for themselves or others, delete critical instructional resources, or create new administrative accounts to maintain persistent access. This undermines trust in the platform's ability to secure academic records and can lead to significant reputational damage for educational institutions relying on Creator LMS. Furthermore, if the system integrates with external services or databases, this breach could serve as a pivot point for more extensive network intrusions, potentially leading to data exfiltration or ransomware deployment depending on the attacker's objectives.
Mitigation strategies must focus on implementing strict server-side authorization checks for every action that affects resources within the application. Developers should adopt a principle of least privilege, ensuring that each user role has only the permissions necessary for their function and verifying these permissions against a secure access control list or database record before processing any request. It is essential to avoid relying solely on client-side controls such as hiding menu items via JavaScript, which can be easily bypassed by inspecting network traffic using tools like Burp Suite or OWASP ZAP. Instead, the application logic must explicitly validate that the authenticated user has the right to perform the requested operation on the specific resource identified in the request parameters. Regular security audits and penetration testing should be conducted to identify similar misconfigurations across different modules of the LMS.
For organizations currently running versions of Creator LMS from n/a through 1.2.21, immediate action is required to address this exposure. The primary remediation step involves upgrading to a patched version where these access control flaws have been resolved by the vendor. Until an update is available or applied, administrators should review user roles and permissions meticulously within the administrative interface to ensure no excessive privileges are granted inadvertently. Additionally, implementing Web Application Firewall rules can provide a temporary layer of defense by detecting and blocking common patterns associated with authorization bypass attempts, such as sequential ID enumeration or unusual HTTP method usage on protected endpoints. Monitoring logs for anomalous activity related to resource access can also aid in early detection of exploitation attempts while the system remains vulnerable.