CVE-2012-1030 in DotNetNuke
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in DotNetNuke 6.x through 6.0.2 allows user-assisted remote attackers to inject arbitrary web script or HTML via a crafted URL containing text that is used within a modal popup.
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Analysis
by VulDB Data Team • 04/13/2017
The vulnerability identified as CVE-2012-1030 represents a critical cross-site scripting flaw within DotNetNuke content management system versions 6.x through 6.0.2. This vulnerability falls under the CWE-79 category of Cross-Site Scripting, specifically manifesting as a reflected XSS attack vector that exploits improper input validation mechanisms within the application's modal popup functionality. The flaw occurs when the application fails to adequately sanitize user-supplied input that gets rendered within HTML contexts, creating opportunities for malicious actors to execute arbitrary scripts in the context of authenticated users.
The technical exploitation of this vulnerability requires an attacker to craft a malicious URL containing specially formatted text that gets processed and displayed within a modal popup window. When a victim clicks such a crafted link, the malicious script executes in their browser session, potentially leading to session hijacking, credential theft, or unauthorized actions performed on behalf of the victim. The vulnerability's impact is amplified by the fact that it operates within the context of a modal popup, which users typically trust as part of legitimate application functionality, making social engineering attacks more effective.
This XSS vulnerability directly impacts the integrity and confidentiality of user sessions within the DotNetNuke environment, as successful exploitation can lead to complete account compromise and unauthorized access to sensitive administrative functions. The operational impact extends beyond individual user sessions to potentially affect entire organization databases and content management capabilities. Attackers can leverage this vulnerability to establish persistent access points, modify content, or exfiltrate sensitive information from the compromised systems, making it particularly dangerous in enterprise environments where DotNetNuke serves as a primary web application platform.
The mitigation strategies for CVE-2012-1030 should focus on implementing comprehensive input validation and output encoding mechanisms throughout the application's codebase, particularly within modal popup rendering components. Organizations should ensure proper HTML encoding of all user-supplied content before rendering it in web contexts, implementing Content Security Policy headers, and upgrading to patched versions of DotNetNuke that address this specific vulnerability. Additionally, security measures should include regular input sanitization, proper error handling to prevent information leakage, and comprehensive security testing including dynamic application security testing and manual penetration testing to identify similar vulnerabilities within the application's codebase. The ATT&CK framework categorizes this vulnerability under T1566.001 for Initial Access through malicious links, making it a critical target for defensive security measures and incident response protocols.