CVE-2026-44956 Revive CVE debrief

Who should care

Administrators and users of the affected system should be aware of this vulnerability and take necessary precautions to prevent exploitation. This vulnerability requires low privileges to exploit and can lead to JavaScript execution in the context of an admin user. Therefore, it is essential for system administrators to review and update their systems accordingly.

Technical summary

The vulnerability exists in the user log details page, where the Full Name of a low-privileged user is included in system-generated emails. The email content is stored in the details field of the userlog table. When an admin user views the email content through userlog-details.php, any malicious JavaScript payload is executed due to missing output sanitisation. The vulnerability has been addressed by adding proper escaping to the userlog details output.

Defensive priority

This vulnerability has a relatively low CVSS score, but it is still essential to address it promptly. The vulnerability requires low privileges to exploit and can lead to JavaScript execution in the context of an admin user.

Recommended defensive actions

• Review and update the user log details page to ensure proper output sanitisation.
• Verify that all system-generated emails are properly escaped and sanitised.
• Monitor user log details for any suspicious activity.
• Update the system to the latest version to ensure the fix is applied.
• Perform regular security audits to identify and address similar vulnerabilities.

Evidence notes

The vulnerability was reported through Hackerone and is tracked as CVE-2026-44956. The CVE record and NVD detail pages provide additional information about the vulnerability. The source item URL provides further details about the vulnerability, including the CVSS vector and weaknesses.

Official resources