CVE-2024-7929 in Simple Forum Website
Summary
by MITRE • 08/20/2024
A vulnerability, which was classified as problematic, was found in SourceCodester Simple Forum Website 1.0. This affects an unknown part of the file /registration.php of the component Signup Page. The manipulation of the argument username leads to cross site scripting. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.
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Analysis
by VulDB Data Team • 08/22/2024
The vulnerability identified as CVE-2024-7929 represents a critical cross site scripting flaw within the SourceCodester Simple Forum Website version 1.0, specifically affecting the registration functionality. This issue resides within the /registration.php file's signup page component where the username parameter fails to properly sanitize user input, creating an avenue for malicious actors to inject arbitrary script code into the web application's response. The vulnerability classification as problematic indicates a significant security risk that could potentially compromise user sessions and data integrity across the forum platform.
The technical exploitation of this vulnerability occurs through the manipulation of the username argument during the registration process, which allows attackers to inject malicious javascript code that executes in the context of other users' browsers. This type of vulnerability falls under CWE-79 - Improper Neutralization of Input During Web Page Generation, which specifically addresses the failure to properly sanitize user-supplied data before incorporating it into web pages. The remote exploitation capability means that attackers can leverage this flaw without requiring physical access to the system, making it particularly dangerous for web applications that serve a broad user base.
The operational impact of this cross site scripting vulnerability extends beyond simple script injection, as it can enable attackers to hijack user sessions, steal sensitive information, modify page content, or redirect users to malicious websites. When users register with a crafted username containing malicious scripts, these scripts execute whenever other users view the registration page or interact with the forum content, potentially leading to widespread compromise of user accounts. The public disclosure of this exploit increases the likelihood of real-world attacks, as malicious actors can immediately leverage the known vulnerability without requiring additional reconnaissance or development time.
Security professionals should implement immediate mitigations including input validation and output encoding for all user-supplied data, particularly in registration and profile management components. The implementation of Content Security Policy headers can provide additional protection against script execution, while proper sanitization of all input fields using established security libraries and frameworks can prevent similar vulnerabilities from occurring in future deployments. Organizations should also consider implementing web application firewalls to detect and block malicious input patterns, and conduct regular security assessments to identify and remediate similar vulnerabilities across their entire application portfolio. This vulnerability exemplifies the critical importance of maintaining proper input validation across all web application components, as highlighted in the ATT&CK framework's web application attack patterns where such flaws represent common initial access vectors for more sophisticated attacks.