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CVE-2022-21663— Authenticated Object Injection in Multisites in WordPress

Quick assessment

Affected
WordPress wordpress-develop
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WordPress是WordPress基金会的一套使用PHP语言开发的博客平台。该平台支持在PHP和MySQL的服务器上架设个人博客网站。 WordPress 5.8.3之前版本存在代码问题漏洞，具有超级管理员角色的攻击者可利用该漏洞在特定条件下通过对象注入绕过显式的附加加固。

CVSS 6.6 · Medium EPSS 3.69% · P89

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2022-21663

Vulnerability Information
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Vulnerability Title
Authenticated Object Injection in Multisites in WordPress
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
输出中的特殊元素转义处理不恰当(注入)
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress是WordPress基金会的一套使用PHP语言开发的博客平台。该平台支持在PHP和MySQL的服务器上架设个人博客网站。 WordPress 5.8.3之前版本存在代码问题漏洞，具有超级管理员角色的攻击者可利用该漏洞在特定条件下通过对象注入绕过显式的附加加固。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
WordPress wordpress-develop < 5.8.3 -

II. Public POCs for CVE-2022-21663

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III. Intelligence Information for CVE-2022-21663

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Vendor Advisories for CVE-2022-21663 (2)

Mailing List Discussions for CVE-2022-21663 (2)

Security Blog Posts for CVE-2022-21663 (1)

Other References for CVE-2022-21663 (1)

Same Patch Batch · WordPress · 2022-01-06 · 4 CVEs total

CVE-2022-21661 8.0 HIGH SQL injection in WordPress
CVE-2022-21662 8.0 HIGH Stored XSS in WordPress
CVE-2022-21664 7.4 HIGH SQL injection in WordPress

IV. Related Vulnerabilities

Same product: wordpress-develop
Same vendor: WordPress
Same weakness: CWE-74

V. Comments for CVE-2022-21663

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