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CVE-2023-6553: The Backup Migration plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 1.3.7 via the /includes/backup-heart.php file. This is due to an attacker being a

critical Affects backup-backup (WordPress plugin). Feed 2026.10.29.1, updated 2026-10-28; published ; advisory modified .

The Backup Migration plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 1.3.7 via the /includes/backup-heart.php file. This is due to an attacker being a

Package
backup-backup (WordPress plugin) WordPress
Affected versions
<=1.3.7
Fixed in
no fix recorded
Severity
critical  CVSS 9.8
Exploitation
not on CISA KEV · EPSS 98% (99.9th percentile)
Published
2023-12-15
Source
nvd

References

CWE-94
NVD recordbackup-backup (WordPress plugin) advisories

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