CVE-2021-36884: Backupbliss Backup Migration

Medium severity, CVSS 5.4. EPSS: 0.6% chance of exploitation in the next 30 days.

Authenticated Persistent Cross-Site Scripting (XSS) vulnerability discovered in WordPress Backup Migration plugin <= 1.1.5 versions.

Affected products

• Backupbliss Backup Migration: up to and including 1.1.5

Published 2021-11-19. Last modified 2026-06-17.