CVE-2014-5343 in Feng Office
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in Feng Office allows remote attackers to inject arbitrary web script or HTML via a client Name field.
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Analysis
by VulDB Data Team • 03/28/2022
The CVE-2014-5343 vulnerability represents a critical cross-site scripting flaw discovered in Feng Office, a web-based project management and collaboration platform. This vulnerability resides within the client name field processing functionality, creating a pathway for remote attackers to execute malicious code within the context of authenticated user sessions. The flaw demonstrates the classic characteristics of an XSS vulnerability where user-supplied input is inadequately sanitized before being rendered back to users, enabling attackers to inject malicious scripts that execute in the victim's browser.
The technical implementation of this vulnerability stems from insufficient input validation and output encoding mechanisms within the Feng Office application's data handling processes. When users enter data into the client name field, the system fails to properly escape or sanitize special characters that could be interpreted as HTML or JavaScript code. This weakness allows attackers to craft malicious payloads that, when processed by the application and subsequently displayed to other users, execute within their browser context. The vulnerability specifically affects the client management functionality where user names and identifiers are stored and rendered throughout the interface.
From an operational impact perspective, this XSS vulnerability creates significant security risks for organizations using Feng Office as their primary project management solution. Attackers can leverage this flaw to steal session cookies, perform unauthorized actions on behalf of users, redirect victims to malicious websites, or extract sensitive information from the application. The vulnerability is particularly dangerous because it requires minimal privileges to exploit, as it operates through legitimate user interface elements that are commonly used and trusted by end users. This creates a high-risk scenario where attackers can gain persistent access to sensitive project data, user credentials, and organizational information.
The vulnerability aligns with CWE-79, which specifically addresses cross-site scripting flaws in web applications, and demonstrates the fundamental principle that all user-supplied input must be treated as untrusted and properly validated. From an adversary perspective, this vulnerability maps to ATT&CK technique T1059.007 for scripting languages and T1531 for credential access, as attackers can use the XSS payload to harvest session tokens and perform unauthorized operations. Organizations utilizing Feng Office should implement immediate mitigations including input sanitization, output encoding, and Content Security Policy headers to prevent script execution. Additionally, regular security assessments and input validation reviews are essential to prevent similar vulnerabilities in other application components and ensure comprehensive protection against client-side attacks that could compromise the entire project management ecosystem.