CVE-2022-21663
Authenticated Object Injection in Multisites in WordPress
- State
- Published
- Severity
- 6.6 Medium
- Published
- Jan 6, 2022
- Updated
- Apr 22, 2025
- Reserved
- Nov 16, 2021
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 6.6 Medium | CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H | GitHub_M |
Weaknesses
- CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
Affected Products
| Product | Versions |
|---|---|
wordpress-developWordPress |
|
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
- DSA-5039vendor-advisory
- FEDORA-2022-8472dd59ffvendor-advisory
- FEDORA-2022-e37e1e6c7avendor-advisory
- [debian-lts-announce] 20220123 [SECURITY] [DLA 2884-1] wordpress security updatemailing-list
- https://blog.sonarsource.com/wordpress-object-injection-vulnerability/
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