WordPress core
CVE-2022-21663
WordPress: Authenticated Object Injection in Multisites
- Severity
- High 7.2
- Published
- 6 Jan 2022
- Last changed
- 17 Jun 2026
- Added to UpHeron
- 17 Oct 2026
- Fixed in
- 5.8.3
- Also known as
- GHSA-jmmq-m8p8-332h
- Sources
- NVD, WordPress
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…
Affected software
| Software | Affected versions |
|---|---|
WordPressWordPress core · cpe:a:wordpress:wordpress |
|
References
- NVD https://nvd.nist.gov/vuln/detail/CVE-2022-21663
- CVE.org https://www.cve.org/CVERecord?id=CVE-2022-21663
- GitHub Advisory Database https://github.com/advisories/GHSA-jmmq-m8p8-332h
- WordPress security advisory https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-jmmq-m8p8-332h