CVE-2023-3074 in corebos
Summary
by MITRE • 06/02/2023
Cross-site Scripting (XSS) - Stored in GitHub repository tsolucio/corebos prior to 8.
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Analysis
by VulDB Data Team • 01/26/2026
The vulnerability identified as CVE-2023-3074 represents a stored cross-site scripting flaw within the tsolucio/corebos GitHub repository, affecting versions prior to 8. This type of vulnerability falls under the CWE-79 category of Cross-Site Scripting, which is one of the most prevalent and dangerous web application security issues. The stored nature of this XSS vulnerability means that malicious scripts are permanently stored on the target server and executed every time a user accesses the affected page. The corebos platform, being a customer relationship management system, handles sensitive user data and business information, making this vulnerability particularly concerning for organizations relying on it for their operational workflows.
The technical flaw manifests when user-supplied input containing malicious scripts is not properly sanitized or validated before being stored in the application's database and subsequently rendered to other users. In the context of corebos, this typically occurs in areas where users can input data that gets displayed back to other users without adequate output encoding or sanitization. Attackers can exploit this by crafting malicious payloads that, when stored and later viewed by other users, execute arbitrary JavaScript code within their browser context. This allows attackers to perform actions on behalf of victims, steal session cookies, access sensitive data, or redirect users to malicious websites. The vulnerability is particularly dangerous because it persists across sessions and can affect multiple users without requiring them to click on any links or perform specific actions beyond viewing the affected content.
The operational impact of this stored XSS vulnerability extends beyond simple data theft or session hijacking. Organizations using corebos may face significant security breaches where attackers can manipulate the application's behavior, access confidential customer information, or even escalate privileges within the system. The persistent nature of stored XSS means that the attack vector remains active until the vulnerability is patched and the malicious content is removed from the database. This creates ongoing risk for businesses relying on the platform for customer management, sales tracking, and other critical business operations. The vulnerability also undermines user trust in the application and could lead to regulatory compliance issues, especially in industries with strict data protection requirements such as healthcare or financial services.
Mitigation strategies for CVE-2023-3074 should focus on implementing proper input validation and output encoding mechanisms throughout the application. Organizations should upgrade to corebos version 8 or later, which contains the necessary patches to address this vulnerability. Additionally, developers should implement Content Security Policy headers, sanitize all user inputs before storage, and encode output data appropriately when rendering it to users. The principle of least privilege should be enforced, ensuring that only necessary user inputs are accepted and that all data is properly validated against expected formats. Regular security audits and penetration testing should be conducted to identify similar vulnerabilities in other parts of the application. This vulnerability aligns with ATT&CK technique T1566.001 for initial access through malicious web content and T1059.007 for command and scripting interpreter through JavaScript execution, making it a critical target for defensive measures and incident response planning.