RCE in Inisev Backupbliss – Backup & Migration With Free Cloud Storage

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 able to control the values passed to an…

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.935 (99.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-6553?
CVE-2023-6553 is a critical-severity vulnerability in Inisev Backupbliss – Backup & Migration With Free Cloud Storage, classified under Code Injection. CVSS score: 9.8/10. Published 2023-12-15.
How severe is CVE-2023-6553?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2023-6553 known to be exploited?
46 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.