CVE-2016-2912 in Rational Publishing Engine
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in the Document Builder in IBM Rational Publishing Engine (aka RPENG) 2.0.1 before ifix002 allows remote authenticated users to inject arbitrary web script or HTML via a crafted URL.
Be aware that VulDB is the high quality source for vulnerability data.
Analysis
by VulDB Data Team • 03/25/2025
The vulnerability identified as CVE-2016-2912 represents a critical cross-site scripting flaw within IBM Rational Publishing Engine version 2.0.1, specifically affecting the Document Builder component. This security weakness enables remote authenticated attackers to execute malicious web scripts or HTML code through the manipulation of crafted URLs, potentially compromising user sessions and data integrity. The vulnerability exists in the input validation mechanisms of the publishing engine's document building functionality, where user-supplied URL parameters are not properly sanitized before being processed and rendered within the application interface.
The technical exploitation of this XSS vulnerability occurs when authenticated users interact with specially crafted URLs that contain malicious script payloads. These payloads are then executed within the context of other users' browsers who access the same vulnerable application, creating a persistent threat vector. The flaw stems from inadequate output encoding and input validation practices within the Document Builder module, which fails to properly escape or filter user-controllable data before it is incorporated into dynamically generated web content. This vulnerability aligns with CWE-79, which specifically addresses cross-site scripting weaknesses in web applications, and represents a classic example of reflected XSS where malicious input is immediately reflected back to users without proper sanitization.
The operational impact of this vulnerability extends beyond simple script injection, as it can enable attackers to steal session cookies, perform unauthorized actions on behalf of victims, or redirect users to malicious websites. In the context of IBM Rational Publishing Engine, which is designed for enterprise documentation and publishing workflows, this vulnerability could compromise sensitive business documentation, intellectual property, or confidential project information. The authenticated nature of the attack means that attackers must first obtain valid credentials, but once achieved, they can leverage this vulnerability to escalate their privileges or access restricted content within the publishing environment. This weakness particularly affects organizations that rely on the publishing engine for generating reports, documentation, or collaborative content creation processes.
Organizations affected by CVE-2016-2912 should implement immediate mitigations including applying the official ifix002 patch provided by IBM to address the vulnerability. Additionally, network administrators should consider implementing web application firewalls and input validation rules to detect and block suspicious URL parameters. The remediation process should involve comprehensive testing of the patched environment to ensure that the XSS vulnerability is fully resolved without introducing regressions in functionality. Security teams should also conduct thorough vulnerability assessments of other IBM Rational products and related components to identify potential similar weaknesses. From an ATT&CK framework perspective, this vulnerability maps to techniques involving command and control communications and credential access, as attackers can use the XSS payload to establish persistent access or extract session information from authenticated users. Organizations should also review their incident response procedures to prepare for potential exploitation of this vulnerability and ensure proper monitoring of user activities within the publishing environment.