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CVE-2021-36884

MEDIUM 5.4 CVSS 3.1
Published
November 19, 2021
Last modified
June 17, 2026
NVD status
Modified
Reported by
audit@patchstack.com
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Description

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

Affected WordPress components

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • Backupbliss Backup Migration (WordPress plugin) — From <= 1.1.5 (including) to 1.1.5 (including)
  • backupbliss backup_migration — Up to and including 1.1.5

References

  • patchstack.com https://patchstack.com/database/vulnerability/backup-backup/wordpress-backup-migration-plugin-1-1-5-authenticated-persistent-cross-site-scripting-xss-vulnerability Patch, Third Party Advisory
  • wordpress.org https://wordpress.org/plugins/backup-backup/#developers Third Party Advisory
  • nvd.nist.gov Official NVD record