Unrated severityNVD Advisory· Published Jan 6, 2022· Updated Apr 22, 2025
Authenticated Object Injection in Multisites in WordPress
CVE-2022-21663
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
4- osv-coords2 versions
< 5.8.3+ 1 more
- (no CPE)range: < 5.8.3
- (no CPE)range: < 5.8.3
- Range: < 5.8.3
Patches
Vulnerability mechanics
References
7- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CV4UNEC63UU5GEU47IIR4RMTZAHNEOJG/mitrevendor-advisoryx_refsource_FEDORA
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DM6XPH3JN6V4NF4WBOJTOXZIVE6VKKE3/mitrevendor-advisoryx_refsource_FEDORA
- www.debian.org/security/2022/dsa-5039mitrevendor-advisoryx_refsource_DEBIAN
- blog.sonarsource.com/wordpress-object-injection-vulnerability/mitrex_refsource_MISC
- github.com/WordPress/wordpress-develop/security/advisories/GHSA-jmmq-m8p8-332hmitrex_refsource_CONFIRM
- lists.debian.org/debian-lts-announce/2022/01/msg00019.htmlmitremailing-listx_refsource_MLIST
- wordpress.org/news/2022/01/wordpress-5-8-3-security-release/mitrex_refsource_MISC
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