CVE-2025-67985 in Document Library Lite Plugin
Summary
by MITRE • 12/16/2025
Authorization Bypass Through User-Controlled Key vulnerability in Barn2 Plugins Document Library Lite document-library-lite allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Document Library Lite: from n/a through <= 1.1.7.
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Analysis
by VulDB Data Team • 12/16/2025
The vulnerability identified as CVE-2025-67985 represents a critical authorization bypass flaw within the Barn2 Plugins Document Library Lite plugin, specifically impacting versions through 1.1.7. This issue stems from incorrectly configured access control security levels that allow unauthorized users to bypass intended authorization mechanisms. The vulnerability manifests when users can manipulate or control keys that should normally be restricted, enabling them to access content or functionality they should not have permission to access. This type of flaw directly violates fundamental security principles of access control and privilege management.
The technical implementation of this vulnerability involves the plugin's handling of user-controlled keys within its document library functionality. When the plugin processes requests, it fails to properly validate or authenticate the keys used for access control, allowing malicious actors to construct requests with manipulated keys that bypass the intended authorization checks. This misconfiguration creates a pathway where legitimate access controls are circumvented through user input manipulation, effectively allowing unauthorized access to protected documents or administrative functions. The flaw operates at the application level where access control decisions are made, making it particularly dangerous as it can be exploited without requiring elevated privileges or complex attack vectors.
The operational impact of this vulnerability is significant as it allows attackers to gain unauthorized access to document libraries that should be restricted to specific user roles or permissions. This could result in data exposure, unauthorized modification of documents, or access to administrative functions within the plugin. The vulnerability affects any user who can interact with the document library functionality, potentially compromising sensitive information stored within the system. The scope extends beyond simple document access to include potential privilege escalation opportunities that could allow attackers to move laterally within the application or system. Organizations relying on this plugin for document management may experience data breaches or compliance violations depending on the nature of the protected content.
Mitigation strategies for this vulnerability should focus on immediate patching of the affected plugin versions to the latest secure release. Administrators should implement comprehensive access control reviews to ensure that key-based authorization mechanisms are properly configured and validated. The implementation of proper input validation and sanitization for all user-controlled keys is essential to prevent manipulation of access control parameters. Security monitoring should be enhanced to detect unusual access patterns or attempts to exploit authorization bypass mechanisms. Organizations should also consider implementing additional layers of security such as role-based access controls, regular security audits, and privileged access management solutions. This vulnerability aligns with CWE-285 which addresses improper authorization in software systems and relates to ATT&CK technique T1078 which covers valid accounts and privilege escalation. Regular security assessments and vulnerability scanning should be conducted to identify similar misconfigurations in other plugins or applications within the system infrastructure.