CVE-2018-5076 in Online Ticket Booking
Summary
by MITRE
Online Ticket Booking has XSS via the admin/newsedit.php newstitle parameter.
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Analysis
by VulDB Data Team • 12/19/2019
The vulnerability identified as CVE-2018-5076 represents a cross-site scripting flaw within the Online Ticket Booking system that specifically affects the admin/newsedit.php component. This issue arises from insufficient input validation and output sanitization mechanisms, allowing malicious actors to inject malicious scripts into the news title parameter. The vulnerability is classified under CWE-79 as a classic cross-site scripting attack, where untrusted data is improperly handled during web page generation, creating opportunities for attackers to execute arbitrary client-side code in the context of other users' browsers.
The technical exploitation of this vulnerability occurs when an administrator or authenticated user visits a maliciously crafted page that contains embedded script code within the newstitle parameter. When the web application processes this input without proper sanitization and subsequently displays it in the HTML output, the injected scripts execute in the victim's browser context. This behavior enables attackers to perform various malicious activities including session hijacking, credential theft, redirection to malicious sites, or data exfiltration from authenticated sessions. The vulnerability demonstrates a clear failure in the application's defense-in-depth principles, particularly in the input validation and output encoding phases of the security architecture.
The operational impact of this vulnerability extends beyond simple script execution, as it can compromise the integrity of the entire administrative interface. Since the vulnerability affects the news editing functionality, attackers could manipulate news content to include malicious links or scripts that would persist across multiple user sessions. This creates a persistent threat vector that could be leveraged to establish a foothold within the application's administrative environment, potentially leading to complete system compromise. The vulnerability affects the confidentiality, integrity, and availability of the web application, as unauthorized parties could gain access to privileged administrative functions through session manipulation or credential theft.
Mitigation strategies for CVE-2018-5076 should focus on implementing robust input validation and output encoding mechanisms throughout the application's data flow. The primary remediation involves sanitizing all user-supplied input through proper escaping techniques before rendering any content in HTML contexts, specifically employing context-appropriate encoding such as HTML entity encoding for web output. Additionally, implementing a comprehensive content security policy can provide additional protection layers against script execution, while regular security code reviews and automated vulnerability scanning should be integrated into the development lifecycle to prevent similar issues. The remediation aligns with ATT&CK technique T1059.001 for command and scripting interpreter, and the broader security principle of input validation as outlined in NIST SP 800-160 for secure software development practices.