Monstra CMS 3.0.4 has Stored XSS via the Name field on the Create New Page screen under the admin/index.php?id=pages URI, related to plugins/box/pages/pages.admin.php.
Severity
CVSS 3.0
4.8 medium
CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
EPSS
2.7% chance of exploitation in the next 30 days; higher than 86% of CVEs (scores of 2026-10-31)