CVE-2018-1533 in Rational Publishing Engine
Summary
by MITRE
IBM Rational Publishing Engine 6.0.5 and 6.0.6 is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session. IBM X-Force ID: 142431.
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Analysis
by VulDB Data Team • 03/25/2025
The vulnerability identified as CVE-2018-1533 affects IBM Rational Publishing Engine versions 6.0.5 and 6.0.6, representing a critical cross-site scripting vulnerability that compromises the web-based user interface of this enterprise documentation tool. This weakness enables malicious actors to inject arbitrary JavaScript code into the application's web interface, fundamentally undermining the security posture of systems that rely on this publishing platform for technical documentation management. The vulnerability stems from insufficient input validation and output encoding mechanisms within the web application's user interface components, creating an attack surface where user-supplied data is not properly sanitized before being rendered back to users.
The technical flaw manifests when the application fails to adequately sanitize user inputs that are subsequently displayed in the web interface without proper HTML escaping or encoding. This allows attackers to craft malicious payloads that, when executed in a victim's browser, can manipulate the application's intended behavior and potentially access sensitive session information. The vulnerability specifically impacts the web UI components that handle user-generated content or configuration parameters, where the lack of proper sanitization creates opportunities for JavaScript injection attacks. According to CWE classification, this represents a classic cross-site scripting vulnerability categorized under CWE-79, which describes improper neutralization of input during web page generation, making it susceptible to malicious script execution.
The operational impact of this vulnerability extends beyond simple functionality alteration, as it creates potential pathways for credential theft and session hijacking within trusted environments. When users interact with the vulnerable publishing engine, attackers can exploit the XSS flaw to steal session cookies or other authentication tokens, enabling unauthorized access to the application with the privileges of legitimate users. This risk is particularly concerning in enterprise environments where the Rational Publishing Engine serves as a central documentation platform, potentially providing attackers with access to sensitive technical documentation, system configurations, and other proprietary information. The vulnerability's exploitation can lead to persistent access within the organization's trusted session boundaries, making it a significant concern for information security teams managing software development and documentation workflows.
Organizations should implement immediate mitigations including input validation and output encoding controls to prevent JavaScript injection in the web interface components. The recommended approach involves implementing proper HTML escaping for all user-supplied content before rendering it in the web interface, as well as deploying web application firewalls to detect and block suspicious script injection attempts. Additionally, administrators should consider implementing content security policies that restrict script execution and limit the potential impact of successful XSS attacks. According to ATT&CK framework categorization, this vulnerability maps to T1059.007 for scripting languages and T1531 for credential access through session hijacking, emphasizing the need for comprehensive defensive measures including regular security updates, input sanitization, and monitoring for suspicious user activities within the publishing environment. The vulnerability demonstrates the critical importance of maintaining up-to-date security patches and implementing robust input validation controls in enterprise web applications to prevent exploitation of such fundamental security flaws.