CVE-2012-6130 in Roundup
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in the history display in Roundup before 1.4.20 allows remote attackers to inject arbitrary web script or HTML via a username, related to generating a link.
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Analysis
by VulDB Data Team • 05/10/2026
The vulnerability identified as CVE-2012-6130 represents a classic cross-site scripting flaw within the Roundup issue tracking system prior to version 1.4.20. This weakness specifically affects the history display functionality where user-generated content is rendered without adequate sanitization. The vulnerability stems from the application's failure to properly validate and escape user input when constructing hyperlinks in the historical record display, creating an avenue for malicious actors to execute arbitrary JavaScript code within the context of other users' browsers. The attack vector is particularly insidious because it leverages the trust relationship between the application and its users, allowing an attacker to inject malicious scripts through seemingly benign username fields that are subsequently used in link generation.
The technical implementation of this vulnerability aligns with CWE-79, which categorizes cross-site scripting as a code injection flaw where untrusted data is improperly incorporated into web pages without adequate validation or encoding. The flaw manifests when the Roundup application processes usernames containing malicious script payloads during history display generation, particularly when these usernames are embedded within HTML anchor tags or other hyperlink elements. This creates an environment where an attacker can craft a username that, when displayed in the history, executes unintended code in the victim's browser context. The vulnerability is classified as a stored XSS attack since the malicious input persists in the application's database and affects multiple users who view the affected history display.
The operational impact of CVE-2012-6130 extends beyond simple script execution, as it can enable sophisticated attack chains including session hijacking, credential theft, and data exfiltration. An attacker who successfully injects malicious code could potentially steal user sessions, redirect victims to phishing sites, or harvest sensitive information from authenticated users. The vulnerability affects the integrity of the application's historical records and compromises user trust in the system's data. Given that Roundup is an issue tracking system used for managing project information and bug reports, the potential for abuse is significant as attackers could manipulate historical data to hide malicious activities or create false evidence of system compromise. The attack requires minimal privileges as it targets the display layer rather than requiring administrative access or direct database manipulation.
Mitigation strategies for this vulnerability include immediate patching to version 1.4.20 or later, which implements proper input sanitization and output encoding for user-generated content in history displays. Organizations should implement comprehensive input validation that strips or encodes potentially dangerous characters including angle brackets, script tags, and javascript protocols. The implementation should follow established security practices such as using context-appropriate encoding functions when rendering user data in HTML contexts. Additionally, security-conscious organizations should consider implementing content security policies to further limit the execution of unauthorized scripts, though this provides defense-in-depth rather than primary remediation. Regular security audits and input validation testing should be integrated into the development lifecycle to prevent similar vulnerabilities from emerging in other application components. The vulnerability demonstrates the critical importance of proper sanitization of user-supplied data in web applications, particularly in contexts where such data may be displayed to other users, aligning with ATT&CK technique T1059.007 for script injection and T1566 for credential access through web-based attacks.