CVE-2024-8154 in QR Code Bookmark System
Summary
by MITRE • 08/26/2024
A vulnerability classified as problematic has been found in SourceCodester QR Code Bookmark System 1.0. Affected is an unknown function of the file /endpoint/update-bookmark.php of the component Parameter Handler. The manipulation of the argument tbl_bookmark_id/name/url leads to cross site scripting. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.
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Analysis
by VulDB Data Team • 03/12/2025
The vulnerability identified as CVE-2024-8154 represents a significant security flaw within the SourceCodester QR Code Bookmark System version 1.0, specifically affecting the parameter handling functionality within the /endpoint/update-bookmark.php script. This cross-site scripting vulnerability stems from inadequate input validation and sanitization mechanisms that fail to properly process user-supplied data. The affected parameters include tbl_bookmark_id, name, and url, which when manipulated can be exploited to inject malicious scripts into the application's response. The vulnerability's classification as problematic indicates a moderate to high risk level given its potential for remote exploitation and the widespread nature of web applications that rely on similar input handling mechanisms.
The technical execution of this XSS vulnerability occurs through the manipulation of the parameter handler component within the update-bookmark.php endpoint, where user-provided data flows directly into the application's output without proper sanitization or encoding. This flaw allows attackers to inject malicious JavaScript code that gets executed in the context of other users' browsers when they view the affected bookmark entries. The vulnerability's remote exploitability means that malicious actors can trigger the attack without requiring physical access to the system or local network presence, making it particularly dangerous in web-facing applications. The disclosed exploit demonstrates that attackers can craft malicious payloads that persist in the database and execute whenever legitimate users access the affected bookmark data, creating a persistent threat vector.
The operational impact of CVE-2024-8154 extends beyond simple script injection, as it can enable attackers to perform session hijacking, deface web applications, steal sensitive user information, or redirect users to malicious websites. The vulnerability directly violates security principles outlined in CWE-79, which addresses cross-site scripting flaws in web applications. Attackers leveraging this vulnerability can potentially escalate their privileges, gain unauthorized access to user accounts, or use the compromised system as a stepping stone for further attacks within the network. The remote nature of the exploit means that attackers can target users from any location with internet connectivity, significantly expanding the attack surface and making the vulnerability particularly attractive to threat actors.
Security mitigation strategies for CVE-2024-8154 should focus on implementing robust input validation and output encoding mechanisms throughout the application's data flow. The recommended approach involves sanitizing all user inputs using proper encoding techniques such as HTML entity encoding for output contexts, implementing Content Security Policy headers to limit script execution, and employing proper parameter validation before processing. Organizations should also consider implementing web application firewalls to detect and block malicious payloads, conducting regular security audits of input handling components, and ensuring that all application components are updated to the latest security patches. The vulnerability's presence in a bookmark management system particularly highlights the importance of validating all user-generated content and implementing proper access controls to prevent unauthorized modifications to system data. This type of vulnerability also aligns with ATT&CK technique T1059.007 for script injection, emphasizing the need for comprehensive defensive measures that address both input validation and output encoding in web applications.