CVE-2014-0901 in WebSphere Portal
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in the Social Rendering implementation in the IBM Connections integration in IBM WebSphere Portal 8.0.0.x before 8.0.0.1 CF11 allows remote authenticated users to inject arbitrary web script or HTML via unspecified vectors.
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Analysis
by VulDB Data Team • 05/09/2026
The vulnerability identified as CVE-2014-0901 represents a critical cross-site scripting flaw within the IBM Connections integration component of IBM WebSphere Portal version 8.0.0.x prior to CF11. This security weakness specifically affects the social rendering implementation that processes user-generated content and integrates social features into the portal environment. The vulnerability exists in the way the system handles input validation and output encoding for social content, creating an avenue for malicious actors to execute arbitrary web scripts within the context of authenticated user sessions. The flaw is particularly concerning because it affects authenticated users, meaning that attackers must first establish valid credentials to exploit the vulnerability, but once compromised, the impact can be severe.
The technical nature of this XSS vulnerability stems from inadequate sanitization of user input within the social rendering pipeline of IBM WebSphere Portal. When users interact with social features such as comments, posts, or profile information, the system fails to properly validate and encode the data before rendering it in web pages. This allows attackers to inject malicious script code that executes in the browser context of other users who view the compromised content. The unspecified vectors suggest that multiple input points within the social rendering functionality could be exploited, making the attack surface broader and more difficult to fully mitigate. The vulnerability aligns with CWE-79, which specifically addresses cross-site scripting flaws where improper validation of input allows execution of malicious code in the victim's browser.
The operational impact of this vulnerability extends beyond simple script injection, as it can enable attackers to perform session hijacking, steal sensitive user information, and potentially escalate privileges within the portal environment. Authenticated users who view compromised social content could unknowingly execute malicious code that captures their session cookies, redirects them to phishing sites, or modifies their portal experience. The attack vector becomes particularly dangerous when considering that IBM Connections typically involves user profiles, collaboration features, and shared content that multiple users interact with regularly. This creates a propagation effect where a single compromised social post can affect numerous users within the organization's portal ecosystem. Organizations relying on WebSphere Portal for enterprise collaboration and social networking features face significant risk of data breaches and unauthorized access.
Mitigation strategies for CVE-2014-0901 primarily focus on applying the official IBM fix pack CF11 or higher, which addresses the input validation and output encoding deficiencies in the social rendering implementation. Organizations should also implement additional security controls such as content security policies, enhanced input validation at multiple layers, and regular security assessments of social features. The implementation of proper output encoding and input sanitization techniques aligns with ATT&CK technique T1059.007 for command and scripting interpreter, as attackers may attempt to exploit the vulnerability through script injection. Security teams should also consider implementing web application firewalls to detect and block suspicious script injection attempts, while maintaining regular monitoring of social content for potential malicious payloads. Organizations may need to conduct user awareness training to help identify suspicious social content and establish proper incident response procedures for handling potential XSS attacks within their portal environments.