CVE-2022-21663 MEDIUM

CVE-2022-21663: Authenticated Object Injection in Multisites in WordPress

Vendor Wordpress
Product wordpress-develop
Weakness CWE-74
Published January 6, 2022
Last update April 22, 2025
View on NVD All CVEs

CVSS base score

6.6/10
Attack vector Network
Attack complexity High
Privileges required High
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

WordPress is a free and open-source content management system written in PHP and paired with a MariaDB database. On a multisite, users with Super Admin role can bypass explicit/additional hardening under certain conditions through object injection. This has been patched in WordPress version 5.8.3. Older affected versions are also fixed via security release, that go back till 3.7.37. We strongly recommend that you keep auto-updates enabled. There are no known workarounds for this issue.

Key dates

02Disclosure timeline

January 6, 2022 CVE published
April 22, 2025 Record updated