CVE-2024-35652 in Event Tickets with Ticket Scanner Plugin
Summary
by MITRE • 06/04/2024
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Saso Nikolov Event Tickets with Ticket Scanner allows Reflected XSS.This issue affects Event Tickets with Ticket Scanner: from n/a through 2.3.1.
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Analysis
by VulDB Data Team • 03/26/2025
This vulnerability represents a critical cross-site scripting flaw that undermines the security of web applications processing user input. The issue manifests as improper neutralization of input during web page generation, specifically affecting the Event Tickets with Ticket Scanner plugin developed by Saso Nikolov. The reflected XSS vulnerability occurs when the application fails to adequately sanitize or escape user-supplied data before incorporating it into dynamically generated web pages, creating an attack vector where malicious scripts can be executed in the context of other users' browsers.
The technical implementation of this vulnerability stems from insufficient input validation and output encoding mechanisms within the plugin's web page generation process. When user input is received through parameters or headers and subsequently rendered without proper sanitization, attackers can inject malicious JavaScript code that gets executed by victim browsers. This reflected nature means the malicious payload is delivered via a crafted URL or request that causes the vulnerable application to reflect the injected script back to the user's browser, making it particularly dangerous for web applications that process external input through URL parameters or HTTP headers.
The operational impact of this vulnerability extends beyond simple data theft or session hijacking, as it provides attackers with the capability to manipulate the application's behavior and potentially gain unauthorized access to sensitive functionality. Attackers can exploit this flaw to perform actions such as stealing user sessions, modifying application data, redirecting users to malicious sites, or even executing arbitrary code within the user's browser context. The vulnerability affects versions ranging from n/a through 2.3.1, indicating that a significant portion of the plugin's user base remains exposed to this risk, particularly in environments where automated updates are not implemented or where administrators have not manually applied patches.
From a cybersecurity perspective, this vulnerability aligns with CWE-79 which specifically addresses cross-site scripting flaws in web applications, and maps directly to ATT&CK technique T1566.001 for the initial access phase through spearphishing with a link. The reflected nature of this XSS vulnerability makes it particularly attractive to threat actors conducting targeted attacks, as it requires minimal user interaction beyond clicking a malicious link. Organizations using this plugin should immediately implement mitigations including input validation, output encoding, and content security policy headers, while also considering the implementation of web application firewalls to detect and prevent exploitation attempts.
The remediation strategy should focus on comprehensive input sanitization and output encoding throughout the application's data flow process, ensuring that all user-supplied data is properly escaped before being incorporated into web page content. This includes implementing proper HTML entity encoding, JavaScript escaping, and utilizing secure coding practices that prevent the injection of malicious code into the application's response. Additionally, administrators should conduct regular security assessments of their web applications, implement automated patch management systems, and ensure that all third-party plugins are kept current with security updates to prevent exploitation of known vulnerabilities that could compromise the entire application ecosystem.