CVE-2010-0938 in forum
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in todooforum.php in Todoo Forum 2.0 allows remote attackers to inject arbitrary web script or HTML via the id_forum parameter in a post action.
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Analysis
by VulDB Data Team • 05/02/2026
The vulnerability identified as CVE-2010-0938 represents a classic cross-site scripting flaw within the Todoo Forum 2.0 web application, specifically manifesting in the todooforum.php script. This issue arises from inadequate input validation and sanitization mechanisms that fail to properly handle user-supplied data. The vulnerability occurs when the application processes the id_forum parameter during a post action, allowing malicious actors to inject arbitrary web scripts or HTML content directly into the forum's output. The flaw exists at the application layer where user input flows directly into the web response without proper encoding or filtering, creating an avenue for attackers to execute malicious code within the context of other users' browsers.
The technical exploitation of this vulnerability follows the typical XSS attack pattern where an attacker crafts a malicious payload containing script code and submits it through the vulnerable id_forum parameter. When another user views the affected forum post, their browser executes the injected script, potentially leading to session hijacking, credential theft, or redirection to malicious websites. This vulnerability is classified as a reflected XSS issue according to CWE-79, which specifically addresses the improper handling of input data that leads to the execution of malicious scripts in web applications. The attack vector is particularly dangerous because it leverages the trust relationship between the forum application and its users, allowing attackers to impersonate legitimate users and gain unauthorized access to sensitive information.
The operational impact of this vulnerability extends beyond simple script execution, as it can be leveraged for more sophisticated attacks within the context of the forum environment. Attackers can use the XSS flaw to steal cookies, modify forum content, or even create new administrative accounts if they can escalate privileges. The vulnerability affects the integrity and confidentiality of the forum's data, potentially compromising user privacy and the overall security posture of the platform. According to ATT&CK framework, this vulnerability maps to T1059.007 for scripting and T1566.001 for spearphishing with malicious attachments, as attackers can use the XSS to deliver malicious payloads to unsuspecting users. The attack surface is particularly concerning in collaborative environments where forum users may have varying levels of access rights, making the potential impact more severe.
Mitigation strategies for CVE-2010-0938 should focus on implementing proper input validation and output encoding mechanisms throughout the application. The most effective approach involves sanitizing all user-supplied input, particularly parameters like id_forum, by applying strict validation rules and HTML encoding before rendering any content. Implementing Content Security Policy (CSP) headers can provide an additional layer of protection by restricting the sources from which scripts can be loaded. The forum developers should also consider adopting secure coding practices such as parameterized queries and input whitelisting to prevent similar vulnerabilities from occurring in future versions. Regular security audits and penetration testing should be conducted to identify and remediate any other potential XSS vulnerabilities within the application. Organizations using Todoo Forum 2.0 should immediately apply patches or workarounds to address this vulnerability, as the attack surface remains significant even when the forum is used in controlled environments where users may not be fully aware of the security risks.