code-projects Exam Form Submission update_s2.php クロスサイトスクリプティング

Successful exploitation of CVE-2026-4575 allows an attacker to execute arbitrary JavaScript code within the context of a user's browser session on the Exam Form Submission application. This can lead to various malicious outcomes, including session hijacking, defacement of the application's administrative interface, and theft of sensitive user data, such as login credentials or personally identifiable information (PII). Given the publicly available exploit, the risk of widespread exploitation is significant, particularly for systems with unpatched installations.

Organizations utilizing code-projects Exam Form Submission version 1.0, particularly those with publicly accessible administrative interfaces, are at significant risk. Shared hosting environments where multiple users share the same server instance are also vulnerable, as an attacker could potentially compromise other applications on the same server.

• php / web: Examine access logs for requests to /admin/update_s2.php containing unusual or suspicious characters in the 'sname' parameter.

grep 'sname=[^a-zA-Z0-9_ ]+' /var/log/apache2/access.log

• php / web: Search application files for instances where the 'sname' parameter is used without proper sanitization or encoding.

grep -r 'sname =' /var/www/html/code-projects/Exam Form Submission/

1. 2026-03-23Disclosure

   disclosure

1. 予約済み2026-03-22
2. 公開日2026-03-23
3. EPSS 更新日2026-03-30

The primary mitigation for CVE-2026-4575 is to upgrade to a patched version of code-projects Exam Form Submission. Since a fixed version is not specified, thoroughly review the vendor's website or repository for updates. As a temporary workaround, implement strict input validation and sanitization on the 'sname' parameter within the /admin/update_s2.php file. Consider using a Web Application Firewall (WAF) with XSS filtering rules to block malicious requests. Regularly monitor application logs for suspicious activity, such as unusual JavaScript execution patterns.