CVE-2009-3152 in BBS E-Market
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in becommunity/community/index.php in NTSOFT BBS E-Market Professional allow remote attackers to inject arbitrary web script or HTML via the (1) page, (2) bt_code, and (3) b_no parameters in a board view action.
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Analysis
by VulDB Data Team • 07/14/2025
The vulnerability identified as CVE-2009-3152 represents a critical cross-site scripting flaw within the NTSOFT BBS E-Market Professional software, specifically affecting the community/index.php file. This vulnerability resides in the board view functionality where user input is not properly sanitized before being rendered back to web browsers. The flaw manifests through three distinct parameter injection points: page, bt_code, and b_no, all of which are processed during board view operations. These parameters are typically used to navigate through board pages, handle board codes, and manage board numbers respectively, making them prime targets for malicious input injection.
The technical implementation of this vulnerability stems from inadequate input validation and output encoding practices within the web application's codebase. When user-supplied data enters the application through these parameters without proper sanitization or encoding, malicious scripts can be injected and subsequently executed in the context of other users' browsers. This occurs because the application fails to properly escape special characters and HTML entities before rendering user input, allowing attackers to inject malicious javascript code or html content that gets executed when other users view the affected board content. The vulnerability is classified as a classic reflected cross-site scripting issue where the malicious payload is reflected back to users through the application's response.
The operational impact of this vulnerability extends beyond simple data theft or defacement, as it enables attackers to perform a wide range of malicious activities within the context of affected users' sessions. Attackers can leverage this vulnerability to steal session cookies, redirect users to malicious sites, inject phishing content, or even perform actions on behalf of users if the application lacks proper authentication controls. The vulnerability affects all users who access the affected board view functionality, making it particularly dangerous for community-driven platforms where user-generated content is prevalent. Given that this is a professional BBS platform, the impact could be amplified as users may have elevated privileges or access to sensitive information within the community structure.
Mitigation strategies for this vulnerability should focus on implementing comprehensive input validation and output encoding mechanisms throughout the application. The primary defense involves sanitizing all user input through proper encoding techniques such as html entity encoding, javascript escaping, and implementing strict input validation rules that reject or filter out potentially malicious content. Additionally, developers should implement Content Security Policy headers to limit script execution and prevent unauthorized code injection. The vulnerability aligns with CWE-79 which specifically addresses cross-site scripting flaws, and maps to ATT&CK technique T1566 which covers social engineering through malicious content injection. Organizations should also conduct regular security assessments and implement automated input validation tools to prevent similar vulnerabilities from being introduced during future development cycles. The remediation process requires immediate patching of the affected software version and implementation of proper security coding practices to prevent regression of this type of vulnerability.