CVE Catalog

CVE-2026-101148

CriticalCVSS 10.0
Published: Updated: Translated: NVD NIST

Summary

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.

Risk Assessment

The risk includes full data disclosure, including user password hashes, and the ability to delete files, potentially leading to site takeover and data confidentiality breaches.

Recommendation

It is recommended to immediately remove the BackupSheep plugin from all sites, as no fixed version is available.

Related vulnerabilities

Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS