CVE-2006-2799 in toendaCMS
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in content_footer.php in toendaCMS 0.7.0 allows remote attackers to inject arbitrary web scripts or HTML via the print_url variable. NOTE: the provenance of this information is unknown; the details are obtained solely from third party sources.
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Analysis
by VulDB Data Team • 06/21/2019
The vulnerability described in CVE-2006-2799 represents a classic cross-site scripting flaw within the toendaCMS content management system version 0.7.0. This particular vulnerability exists in the content_footer.php file where the print_url variable is not properly sanitized or validated before being rendered in web pages. The issue creates a significant security risk as it allows remote attackers to inject malicious scripts or HTML content into web pages viewed by other users. The vulnerability stems from the application's failure to implement proper input validation and output encoding mechanisms for user-supplied data that gets directly embedded into the page content. This type of vulnerability falls under the Common Weakness Enumeration category CWE-79 which specifically addresses Cross-site Scripting flaws in web applications. The attack vector is particularly concerning because it enables threat actors to execute arbitrary code within the context of a victim's browser session, potentially leading to session hijacking, credential theft, or redirection to malicious websites. The vulnerability's impact extends beyond simple script injection as it can be exploited to perform more sophisticated attacks such as defacement of the website or data exfiltration from authenticated users.
The operational implications of this vulnerability are severe for any organization utilizing toendaCMS 0.7.0 as it creates an attack surface that can be exploited without requiring authentication or specialized knowledge of the system's internal workings. Remote attackers can craft malicious URLs containing script payloads that, when visited by unsuspecting users, execute the injected code in their browsers. This makes the vulnerability particularly dangerous in environments where users may click on links from untrusted sources or where the CMS is used in collaborative environments with multiple contributors. The vulnerability's exploitation aligns with ATT&CK technique T1566 which covers spearphishing with links and T1203 which involves exploitation of remote services. The fact that the vulnerability affects a core component of the CMS means that successful exploitation could potentially compromise the entire website's integrity and user data. The lack of proper input validation in the print_url parameter suggests a broader architectural issue within the application's security design, indicating that other similar vulnerabilities may exist in the codebase. This type of vulnerability is particularly problematic in content management systems where user-generated content is common and where the application must safely handle data from multiple sources.
The mitigation strategies for CVE-2006-2799 should focus on implementing proper input validation and output encoding techniques to prevent malicious data from being executed as scripts. The primary fix involves sanitizing the print_url variable before it is processed and rendered in the content_footer.php file, ensuring that any potentially harmful characters or script tags are properly escaped or removed. Organizations should implement a comprehensive security patching strategy that includes updating to the latest version of toendaCMS where this vulnerability has been addressed. Additionally, the implementation of Content Security Policy headers can provide an additional layer of protection by restricting the sources from which scripts can be loaded. Security measures should also include regular code reviews and security testing to identify similar vulnerabilities in other parts of the application. The vulnerability highlights the importance of following secure coding practices such as those outlined in the OWASP Top Ten and the Secure Coding Guidelines. Organizations should also consider implementing web application firewalls to detect and block suspicious requests that attempt to exploit XSS vulnerabilities. Regular security awareness training for developers can help prevent similar issues from occurring in future versions of the software, emphasizing the critical need for input validation and output encoding in all web applications. The remediation process should also include thorough testing to ensure that the fix does not introduce regressions in the application's functionality while effectively neutralizing the security threat.