CVE-2023-49540 in Book Store Management System
Summary
by MITRE • 03/02/2024
Book Store Management System v1.0 was discovered to contain a cross-site scripting (XSS) vulnerability in /bsms_ci/index.php/history. This vulnerability allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the history parameter.
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Analysis
by VulDB Data Team • 04/18/2025
The Book Store Management System version 1.0 presents a critical cross-site scripting vulnerability identified as CVE-2023-49540 within its web interface. This flaw exists in the /bsms_ci/index.php/history endpoint where the application fails to properly sanitize user input before processing and rendering it back to the browser. The vulnerability specifically affects the history parameter which is susceptible to malicious payload injection, creating a persistent security risk for the system's users and administrators.
This XSS vulnerability operates through the injection of malicious scripts or HTML code into the history parameter of the affected endpoint. When an attacker crafts a malicious payload and submits it through this parameter, the application processes the input without adequate validation or sanitization measures. The malicious code then gets executed in the context of other users' browsers who visit the affected page, potentially allowing attackers to steal session cookies, hijack user accounts, or perform unauthorized actions on behalf of legitimate users. The vulnerability falls under CWE-79 which specifically addresses Cross-Site Scripting flaws in software applications.
The operational impact of this vulnerability extends beyond simple script execution, as it can enable sophisticated attack vectors including session hijacking, credential theft, and data exfiltration from authenticated user sessions. Attackers can leverage this weakness to establish persistent access to the system, potentially compromising the entire book store management infrastructure. The vulnerability affects both administrative and regular user accounts, making it particularly dangerous for systems where privileged users interact with the management interface. This type of vulnerability directly violates the principle of least privilege and can lead to complete system compromise if exploited effectively.
Security professionals should implement immediate mitigations including input validation and output encoding for all user-supplied data within the history parameter. The application should employ proper HTML escaping mechanisms and implement Content Security Policy (CSP) headers to prevent unauthorized script execution. Additionally, the system should undergo comprehensive input sanitization routines that filter out potentially malicious characters and patterns before processing any user input. Organizations should also consider implementing Web Application Firewalls (WAF) rules specifically targeting XSS attack patterns and conduct regular security assessments to identify similar vulnerabilities throughout the application codebase. The vulnerability demonstrates the importance of following secure coding practices and adhering to the ATT&CK framework's mitigation strategies for web application vulnerabilities, particularly those related to client-side exploitation techniques.