Mitigation Strategies

The immediate step to mitigate this vulnerability is to upgrade Open ISES Tickets to version 3.44.2 or later, where the reflected XSS issue in single.php has been patched.

Until the upgrade can be applied, consider implementing input validation or sanitization on the ticket_id parameter to prevent injection of malicious JavaScript.

Additionally, applying web application firewall (WAF) rules to block requests containing suspicious script tags in the ticket_id parameter can help reduce risk.

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Executive Summary

CVE-2026-35008 is a reflected cross-site scripting (XSS) vulnerability found in Open ISES Tickets versions before 3.44.2, specifically in the single.php file.

This vulnerability allows authenticated attackers to inject arbitrary JavaScript code by manipulating the ticket_id parameter in the URL. The issue occurs because the ticket_id value is passed without proper sanitization into an HTML attribute, enabling attackers to craft malicious URLs that execute JavaScript in the victim's browser when visited.

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Impact Analysis

This vulnerability can impact users by allowing attackers to execute arbitrary JavaScript in their browsers when they visit a maliciously crafted URL.

Such execution can lead to unauthorized actions performed on behalf of the user, theft of sensitive information like session tokens, or other malicious activities within the context of the affected web application.

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Detection Guidance

This vulnerability can be detected by checking for reflected cross-site scripting (XSS) attempts involving the ticket_id parameter in URLs accessing the single.php file of Open ISES Tickets versions before 3.44.2.

One way to detect exploitation attempts is to monitor web server logs for suspicious URLs containing JavaScript payloads in the ticket_id GET parameter.

For example, you can use commands like the following to search your web server access logs for potential XSS payloads:

• grep -i 'single.php' /var/log/apache2/access.log | grep -E 'ticket_id=.*<script>'
• grep -i 'single.php' /var/log/nginx/access.log | grep -E 'ticket_id=.*%3Cscript%3E'

Additionally, using web vulnerability scanners that test for reflected XSS on the ticket_id parameter can help identify the vulnerability.

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Compliance Impact

The provided information does not specify how this reflected cross-site scripting (XSS) vulnerability in Open ISES Tickets affects compliance with common standards and regulations such as GDPR or HIPAA.

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