BackupSheep WordPress Backup Plugin — The BackupSheep WordPress Backup Plugin WordPress plugin through 1.8 does not properly validate its…

The BackupSheep WordPress Backup Plugin WordPress plugin through 1.8 has been closed on WordPress.org since July 2024 and no fixed version is available.

WeaknessCWE-73

Published 1 Oct 2026, 06:17 UTCUpdated 1 Oct 2026, 13:11 UTCSource NVD

Read vendor advisory View on NVD

CVSS 3.1

10.0

AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Exploit chance, 30 days

0.3%

Higher than 23% of all CVEs (EPSS)

Status

No known exploitation

Not in CISA KEV

Patch

Unknown

Check the vendor advisory

What happened

The BackupSheep WordPress Backup Plugin WordPress plugin through 1.8 does not properly validate its integration key, treating an unset or blank key as valid, which allows unauthenticated attackers to create and download full site backups, including the database with user password hashes, and to delete arbitrary files on the server, leading to sensitive data disclosure and site takeover.

The BackupSheep WordPress Backup Plugin WordPress plugin through 1.8 has been closed on WordPress.org since July 2024 and no fixed version is available. Remove it from any site where it is installed.

What to do

01Check whether you run BackupSheep WordPress Backup Plugin, and which version.
02Follow the vendor advisory for a fix or a workaround.

References

Timeline · UTC

1 Oct 06:17Published to NVD
1 Oct 13:11NVD record updated

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