CVE-2007-2694 in WebLogic Server
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in BEA WebLogic Express and WebLogic Server 6.1 through SP7, 7.0 through SP7, 8.1 through SP5, 9.0 GA, and 9.1 GA allow remote attackers to inject arbitrary web script or HTML via unspecified vectors.
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Analysis
by VulDB Data Team • 06/14/2025
The vulnerability identified as CVE-2007-2694 represents a critical cross-site scripting weakness affecting BEA WebLogic Express and WebLogic Server versions ranging from 6.1 through SP7, 7.0 through SP7, 8.1 through SP5, and 9.0 and 9.1 General Availability releases. This vulnerability falls under the CWE-79 category of Cross-Site Scripting, specifically classified as a reflected XSS attack vector where malicious scripts can be injected into web applications. The vulnerability stems from insufficient input validation and output encoding mechanisms within the web server's handling of user-supplied data, creating an attack surface that allows remote threat actors to execute arbitrary web scripts or HTML code in the context of a victim's browser session.
The technical flaw manifests through unspecified vectors within the WebLogic server's request processing pipeline, where user-controllable parameters are not properly sanitized before being rendered in web responses. This allows attackers to craft malicious payloads that when executed in a victim's browser, can perform actions such as stealing session cookies, redirecting users to malicious sites, defacing web pages, or executing unauthorized operations on behalf of authenticated users. The vulnerability's impact is amplified by the fact that these versions of WebLogic Server were widely deployed in enterprise environments, making them attractive targets for exploitation. The attack typically involves embedding malicious script code within HTTP request parameters, headers, or form fields that are subsequently processed and reflected back to the user without proper sanitization.
The operational impact of this vulnerability extends beyond simple script injection, as it can enable sophisticated attack chains that lead to complete system compromise. Attackers can leverage these XSS vulnerabilities to establish persistent access through session hijacking, perform phishing attacks by redirecting users to malicious domains, or even escalate privileges within the application context. The vulnerability's presence in multiple major versions of WebLogic Server means that organizations running any of these affected releases face significant risk exposure. According to ATT&CK framework, this vulnerability maps to T1059.007 for Command and Scripting Interpreter and T1566.001 for Phishing, as attackers can use the XSS to deliver malicious payloads and manipulate user interactions. The vulnerability also aligns with T1213.002 for Data from Information Repositories, as it allows unauthorized access to session data and potentially sensitive information processed by the web application.
Organizations affected by CVE-2007-2694 should implement immediate mitigations including applying the vendor-provided patches and updates for their specific WebLogic Server versions, implementing proper input validation and output encoding mechanisms, and configuring web application firewalls to detect and block suspicious script injection attempts. The recommended defense-in-depth approach includes deploying Content Security Policy headers, enabling secure HTTP flags, and conducting regular security assessments to identify similar vulnerabilities in other web applications. Additionally, implementing proper web application security monitoring and intrusion detection systems can help identify exploitation attempts and provide early warning of potential compromise. The vulnerability serves as a critical reminder of the importance of maintaining up-to-date security patches and implementing robust input validation controls to prevent exploitation of common web application vulnerabilities.