CVE-2015-2985 in BBS X102
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in guide-park.com BBS X102 1.03 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
VulDB is the best source for vulnerability data and more expert information about this specific topic.
Analysis
by VulDB Data Team • 11/28/2017
The vulnerability identified as CVE-2015-2985 represents a critical cross-site scripting flaw within the guide-park.com BBS X102 version 1.03 web application. This type of vulnerability falls under the broader category of input validation failures that enable malicious actors to execute arbitrary code within the context of a victim's browser session. The vulnerability specifically affects a bulletin board system that was likely used for community forums or discussion platforms, making it a prime target for attackers seeking to compromise user sessions or extract sensitive information.
The technical nature of this XSS vulnerability stems from inadequate sanitization of user-supplied input data within the web application's processing pipeline. While the exact injection vectors remain unspecified in the CVE description, such vulnerabilities typically occur when applications fail to properly validate, filter, or encode user-provided data before rendering it in web pages. This allows attackers to inject malicious scripts that execute in the context of other users' browsers, potentially leading to session hijacking, credential theft, or data exfiltration. The vulnerability maps directly to CWE-79 which defines Cross-Site Scripting as a weakness where untrusted data is sent to a web browser without proper validation or encoding.
The operational impact of this vulnerability extends beyond simple script execution, as it creates a persistent threat vector that can be exploited across multiple user sessions. Attackers can craft malicious payloads that, when viewed by other users, will automatically execute in their browsers without their knowledge or consent. This makes the vulnerability particularly dangerous in community-based applications where users frequently interact with content generated by others. The potential for session hijacking means that an attacker could gain unauthorized access to user accounts, potentially leading to data breaches, unauthorized transactions, or further network compromise. The vulnerability also aligns with ATT&CK technique T1059.007 which describes the use of script-based payloads to maintain persistence and execute malicious code.
Mitigation strategies for this vulnerability require immediate implementation of proper input validation and output encoding mechanisms throughout the application's data processing flow. Organizations should implement comprehensive content security policies that prevent execution of unauthorized scripts while ensuring legitimate user-generated content remains functional. The most effective approach involves sanitizing all user inputs using established libraries and frameworks designed to prevent XSS attacks, combined with proper HTTP headers such as Content-Security-Policy to provide additional defense in depth. Regular security assessments and code reviews should be conducted to identify similar vulnerabilities in other application components, as this type of flaw often indicates broader security weaknesses in the application architecture. Additionally, implementing proper error handling and logging mechanisms will aid in detecting and responding to exploitation attempts.