CVE-2022-21663 Information
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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.
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Reference
https://wordpress.org/news/2022/01/wordpress-5-8-3-security-release/ https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-jmmq-m8p8-332h https://www.debian.org/security/2022/dsa-5039 https://lists.fedoraproject.org/archives/list/[email protected]/message/DM6XPH3JN6V4NF4WBOJTOXZIVE6VKKE3/ https://lists.fedoraproject.org/archives/list/[email protected]/message/CV4UNEC63UU5GEU47IIR4RMTZAHNEOJG/ https://lists.debian.org/debian-lts-announce/2022/01/msg00019.html
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction Required
HIGH
Scope
NONE
Confidentiality Impact
UNCHANGED
Integrity Impact
HIGH
Availability Impact
HIGH
Base Score
HIGH
Base Severity
7.2