CVE-2022-21663
MEDIUM severity · CVSS 6.6 · Injection
6.6CVSS MEDIUM
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityHigh
Privileges requiredHigh
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Additional information
- NVD record
- https://wordpress.org/news/2022/01/wordpress-5-8-3-security-release/Advisory
- https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-jmmq-m8p8-332hAdvisory
- https://lists.debian.org/debian-lts-announce/2022/01/msg00019.htmlAdvisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CV4UNEC63UU5GEU47IIR4RMTZAHNEOJG/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DM6XPH3JN6V4NF4WBOJTOXZIVE6VKKE3/
- https://www.debian.org/security/2022/dsa-5039Advisory
- https://blog.sonarsource.com/wordpress-object-injection-vulnerability/Advisory
- https://blog.sonarsource.com/wordpress-object-injection-vulnerability/Advisory