CVE-2025-65669 in classroomio
Summary
by MITRE • 11/26/2025
An issue was discovered in classroomio 0.1.13. Student accounts are able to delete courses from the Explore page without any authorization or authentication checks, bypassing the expected admin-only deletion restriction.
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Analysis
by VulDB Data Team • 11/26/2025
The vulnerability identified in classroomio version 0.1.13 represents a critical authorization flaw that undermines the security model of the application's course management system. This issue manifests as a lack of proper access controls during course deletion operations, allowing any authenticated user account to remove courses from the Explore page without undergoing necessary authorization verification. The flaw exists within the application's permission architecture where the deletion endpoint fails to validate whether the requesting user possesses the appropriate administrative privileges required for such destructive operations.
This authorization bypass vulnerability directly violates the principle of least privilege and demonstrates a fundamental failure in the application's access control implementation. The issue stems from the absence of role-based access control checks within the course deletion functionality, creating a scenario where student accounts can execute administrative actions that should be restricted to authorized administrators only. The vulnerability affects the integrity and availability of the course catalog, as unauthorized users can potentially remove educational content that other students depend upon for their learning activities.
From an operational perspective, this flaw creates significant risks to the application's data integrity and user experience. Students could maliciously or accidentally delete courses that other users have created or contributed to, potentially resulting in loss of educational content and disruption of learning processes. The vulnerability also exposes the system to potential abuse where users might systematically remove courses to disrupt the learning environment or target specific content. Additionally, this authorization bypass could serve as a stepping stone for more sophisticated attacks, as it demonstrates the application's weakness in enforcing access controls.
The technical implementation of this vulnerability aligns with CWE-285, which addresses insufficient authorization issues in software systems. This weakness represents a failure to properly enforce access controls, allowing unauthorized users to perform privileged operations. The flaw also relates to ATT&CK technique T1078 which covers valid accounts usage, as the vulnerability allows unauthorized access to administrative functions through legitimate user accounts. The absence of proper authentication checks during deletion operations creates a direct path for privilege escalation and unauthorized data manipulation.
Mitigation strategies should focus on implementing robust access control mechanisms that enforce role-based permissions for all administrative operations. The application must validate user roles and permissions before allowing course deletion actions, ensuring that only users with appropriate administrative privileges can execute these operations. Additionally, implementing proper audit logging of all deletion activities will help detect unauthorized access attempts and provide forensic evidence for security investigations. The system should also incorporate input validation and parameterized queries to prevent potential injection attacks that could exploit this authorization bypass. Regular security testing and code reviews should be conducted to identify similar authorization flaws throughout the application's codebase, ensuring comprehensive protection against privilege escalation attacks.