CVE-2025-67986 in Document Library Lite Plugin
Summary
by MITRE • 12/16/2025
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Barn2 Plugins Document Library Lite document-library-lite allows DOM-Based XSS.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
This vulnerability represents a critical cross-site scripting flaw in the Barn2 Plugins Document Library Lite WordPress plugin, specifically targeting the DOM-based XSS attack vector. The vulnerability stems from improper input sanitization during web page generation processes, allowing malicious actors to inject malicious scripts into the browser environment. The issue is particularly concerning as it affects versions ranging from the initial release through version 1.1.7, indicating a prolonged period during which the plugin was susceptible to this type of attack. The DOM-based nature of this XSS vulnerability means that the malicious script is executed within the victim's browser through manipulation of the Document Object Model rather than traditional server-side injection methods, making it more difficult to detect and mitigate through conventional security measures.
The technical exploitation of this vulnerability occurs when user-supplied input is not properly sanitized or escaped before being rendered in the web page's DOM structure. This creates an environment where malicious JavaScript code can be injected and subsequently executed in the context of the victim's browser session. Attackers can leverage this vulnerability by crafting malicious URLs or input parameters that, when processed by the plugin, result in the injection of harmful scripts into the DOM. The impact extends beyond simple script execution as it can potentially lead to session hijacking, data theft, or further exploitation of the victim's browser environment. This type of vulnerability directly maps to CWE-79 which specifically addresses cross-site scripting flaws in web applications and aligns with ATT&CK technique T1203 which covers exploitation of web application vulnerabilities.
The operational impact of this vulnerability is significant for WordPress sites utilizing the affected plugin, as it provides attackers with a potential entry point for more sophisticated attacks. Any user with access to the plugin's input fields or parameters can potentially exploit this vulnerability, making it particularly dangerous in multi-user environments. The vulnerability's persistence across multiple versions suggests that the plugin developers may have overlooked the importance of proper input validation and sanitization in their security implementation. Organizations relying on this plugin for document management are at risk of having their users' browser sessions compromised, potentially leading to unauthorized access to sensitive data or system resources. The vulnerability's scope is particularly concerning given that it affects the core functionality of document management within WordPress, making it a prime target for attackers seeking to exploit web application weaknesses.
Mitigation strategies should focus on immediate version updates to the latest available release of the Document Library Lite plugin where the XSS vulnerability has been addressed. Administrators should implement comprehensive input validation and sanitization measures to prevent malicious data from being processed through the plugin's interfaces. The implementation of Content Security Policy headers can provide additional protection against script injection attacks by restricting the sources from which scripts can be loaded. Regular security audits and penetration testing of WordPress installations should be conducted to identify similar vulnerabilities in other plugins or themes. Organizations should also consider implementing web application firewalls to detect and block suspicious requests that may attempt to exploit this type of vulnerability. The security community should monitor for any related vulnerabilities that may emerge from similar plugin implementations, as this type of flaw often indicates broader architectural issues in web application security practices.