CVE-2023-3560 in Ticket Booking Script
Summary
by MITRE • 07/10/2023
A vulnerability, which was classified as problematic, has been found in GZ Scripts Ticket Booking Script 1.8. Affected by this issue is some unknown functionality of the file /load.php. The manipulation of the argument first_name/second_name/phone/address_1/country leads to cross site scripting. The attack may be launched remotely. VDB-233354 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
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Analysis
by VulDB Data Team • 07/25/2023
This vulnerability exists in the GZ Scripts Ticket Booking Script version 1.8 and represents a classic cross-site scripting flaw that allows remote attackers to inject malicious scripts into web applications. The vulnerability specifically affects the /load.php file and occurs when user-supplied input parameters including first_name, second_name, phone, address_1, and country are not properly sanitized or validated before being rendered in web pages. The technical nature of this flaw places it squarely within the CWE-79 category of Cross-Site Scripting, which is one of the most prevalent and dangerous web application security vulnerabilities. The vulnerability's classification as problematic indicates that it could be exploited to execute arbitrary code in the context of a user's browser, potentially leading to session hijacking, data theft, or unauthorized actions performed on behalf of users.
The operational impact of this vulnerability extends beyond simple script injection as it provides attackers with a vector to compromise user sessions and potentially gain access to sensitive information within the ticket booking system. Since the attack can be launched remotely without requiring any special privileges or local access, this vulnerability presents a significant risk to organizations using the affected software. The fact that the vendor did not respond to early disclosure attempts suggests potential security mismanagement or lack of urgency in addressing the issue, which could leave systems exposed for extended periods. Attackers could exploit this vulnerability by crafting malicious input strings containing script tags that would be executed when other users view the affected pages, potentially leading to complete compromise of user accounts and sensitive booking data.
The exploitation of this vulnerability aligns with several techniques documented in the ATT&CK framework under the T1566 category of Phishing and T1203 category of Exploitation for Client Execution, where attackers leverage web application flaws to execute malicious code in user browsers. Organizations should implement comprehensive input validation and output encoding mechanisms to prevent such vulnerabilities, ensuring that all user-supplied data is properly sanitized before being processed or displayed. The remediation approach should include implementing proper parameter validation, using secure coding practices, and applying input sanitization techniques to prevent script injection attempts. Additionally, organizations should consider implementing Content Security Policy headers to add an additional layer of protection against XSS attacks, as well as regular security testing and code reviews to identify similar vulnerabilities in other parts of their web applications. The vulnerability serves as a reminder of the critical importance of secure input handling in web applications and the potential consequences of inadequate security measures in commercial software products.