Vulnerability CVE-2022-21663


Published: 2022-01-06   Modified: 2022-01-07

Description:
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.

Type:

CWE-74

CVSS2 => (AV:N/AC:L/Au:S/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.5/10
6.4/10
8/10
Exploit range
Attack complexity
Authentication
Remote
Low
Single time
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Wordpress -> Wordpress 
Debian -> Debian linux 

 References:
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

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