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CVE-2022-21663

Published: 6 January 2022

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.

Priority

Low

Cvss 3 Severity Score

7.2

Score breakdown

Status

Package Release Status
wordpress
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Needs triage

hirsute Ignored
(end of life)
impish Ignored
(end of life)
trusty Ignored
(end of standard support)
upstream
Released (5.8.3+dfsg1-1)
xenial Needs triage

jammy Not vulnerable
(5.8.3+dfsg1-1ubuntu1)
kinetic Not vulnerable
(5.8.3+dfsg1-1ubuntu1)
lunar Not vulnerable
(5.8.3+dfsg1-1ubuntu1)
mantic Not vulnerable
(5.8.3+dfsg1-1ubuntu1)

Severity score breakdown

Parameter Value
Base score 7.2
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H