The UpdraftPlus WordPress plugin Free before 1.22.3 and Premium before 2.22.3 do not properly validate a user has the required privileges to access a backup's nonce identifier, which may allow any users with an account on the site (such as subscriber) to download the most recent site & database backup.

References

• https://nvd.nist.gov/vuln/detail/CVE-2022-0633
• https://jetpack.com/2022/02/17/severe-vulnerability-fixed-in-updraftplus-1-22-3/
• https://updraftplus.com/updraftplus-security-release-1-22-3-2-22-3/
• https://wpscan.com/vulnerability/d257c28f-3c7e-422b-a5c2-e618ed3c0bf3
• http://packetstormsecurity.com/files/166059/WordPress-UpdraftPlus-1.22.2-Backup-Disclosure.html