CRITICAL

CVE-2026-101148

CVSS v3

CRITICAL

EPSS Score

—

exploit probability

CISA KEV

known exploited

Exploitation

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SSVC status

Description

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 J

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Published: 2026-10-01
Last Modified: 2026-10-01

Frequently asked questions

What is CVE-2026-101148?

Is CVE-2026-101148 actively exploited?

Active exploitation of CVE-2026-101148 has not been confirmed.

What is the CVSS score for CVE-2026-101148?

CVE-2026-101148 has a CVSS v3 base score of 10 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

Is CVE-2026-101148 affecting your environment?

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