CVE-2021-26247: Cacti

Medium severity, CVSS 6.1. EPSS: 7.1% chance of exploitation in the next 30 days.

As an unauthenticated remote user, visit "http://<CACTI_SERVER>/auth_changepassword.php?ref=<script>alert(1)</script>" to successfully execute the JavaScript payload present in the "ref" URL parameter.

Affected products

• Cacti Cacti: version 0.8.7g only

Published 2022-01-19. Last modified 2026-06-17.