CVE-2015-6959 in Vindula
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in Vindula 1.9.
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Analysis
by VulDB Data Team • 10/14/2019
The CVE-2015-6959 vulnerability represents a cross-site scripting flaw discovered in Vindula version 1.9, a content management system designed for enterprise environments. This vulnerability resides within the application's handling of user input and output encoding mechanisms, creating a pathway for malicious actors to inject harmful scripts into web pages viewed by other users. The flaw specifically affects how the system processes and renders user-provided data, particularly in contexts where dynamic content generation occurs. Security researchers identified that the vulnerability stems from insufficient sanitization of input parameters before they are rendered in web responses, allowing attackers to exploit this weakness through crafted malicious payloads.
The technical implementation of this XSS vulnerability involves the manipulation of input fields or parameters that are subsequently displayed without proper HTML escaping or encoding. Attackers can craft malicious scripts that execute within the browser context of legitimate users who view affected pages. This typically occurs when user-supplied data flows through application logic without adequate validation or sanitization before being incorporated into dynamic HTML content. The vulnerability affects the application's user interface components where user-generated content is displayed, making it particularly dangerous in collaborative environments where multiple users interact with shared content. The flaw demonstrates poor input validation practices and inadequate output encoding that violates fundamental web security principles.
The operational impact of this vulnerability extends beyond simple data theft or defacement scenarios. An attacker exploiting CVE-2015-6959 could potentially execute malicious scripts that steal session cookies, redirect users to phishing sites, or perform actions on behalf of authenticated users. The vulnerability creates a persistent threat vector that remains active as long as the affected application version is deployed, making it particularly concerning for enterprise environments where Vindula systems are widely used. Organizations utilizing this CMS may face unauthorized access to sensitive information, data integrity compromises, and potential escalation to more severe attacks. The vulnerability's presence in a content management system amplifies its impact, as it could affect multiple users simultaneously and potentially compromise entire websites or web applications.
Mitigation strategies for CVE-2015-6959 should prioritize immediate application of vendor patches or updates to resolve the XSS vulnerability. Organizations must implement comprehensive input validation and output encoding mechanisms across all user-facing interfaces, ensuring that all dynamic content is properly escaped before rendering. Security teams should conduct thorough vulnerability assessments to identify all instances of similar flaws throughout their web applications and establish secure coding practices that align with established security frameworks. The vulnerability aligns with CWE-79, which specifically addresses cross-site scripting weaknesses in software applications, and follows patterns commonly exploited in the ATT&CK framework under the technique of web application attacks. Additionally, implementing Content Security Policy headers, regular security testing, and user education programs can provide additional layers of protection against exploitation attempts. Organizations should also consider implementing web application firewalls and monitoring systems to detect and prevent exploitation attempts targeting this specific vulnerability class.