Backup Guard <= 1.5.9 - Authenticated Arbitrary File Upload

Unrestricted Upload of File with Dangerous Type
CVE CVE-2021-24155
CVSS 7.2 (High)
Publicly Published February 18, 2021
Last Updated January 22, 2024
Researcher Nguyen Van Khanh


The WordPress Backup and Migrate Plugin – Backup Guard WordPress plugin before 1.6.0 did not ensure that the imported files are of the SGBP format and extension, allowing high privilege users (admin+) to upload arbitrary files, including PHP ones, leading to RCE.



Vulnerability Details for JetBackup – WP Backup, Migrate & Restore

Software Type Plugin
Software Slug backup (view on
Patched? Yes
Remediation Update to version 1.6.0, or a newer patched version
Affected Version
  • <= 1.5.9
Patched Version
  • 1.6.0

Did you know Wordfence Intelligence provides free personal and commercial API access to our comprehensive WordPress vulnerability database, along with a free webhook integration to stay on top of the latest vulnerabilities added and updated in the database? Get started today!

Learn more

Want to get notified of the latest vulnerabilities that may affect your WordPress site?
Install Wordfence on your site today to get notified immediately if your site is affected by a vulnerability that has been added to our database.

Get Wordfence

The Wordfence Intelligence WordPress vulnerability database is completely free to access and query via API. Please review the documentation on how to access and consume the vulnerability data via API.