CVE-2022-21662— Stored XSS in WordPress
Quick assessment
Affected
WordPress wordpress-develop
Exploitation
High exploitation probability; assess promptly
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（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。uninstall是使用在其中一个用于完全卸载WordPress的插件。File Upload是使用在其中的一个文件上传插件。 WordPress 5.8.3之前版本存在安全漏洞，攻击者可利用该漏洞执行执行JavaScript或执行存储的XSS攻击。
Possible ATT&CK Techniques 1 AI
T1189 · Drive-by Compromise
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I. Basic Information for CVE-2022-21662
Vulnerability Information
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Vulnerability Title
Stored XSS 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. Low-privileged authenticated users (like author) in WordPress core are able to execute JavaScript/perform stored XSS attack, which can affect high-privileged users. 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:L/UI:R/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress是WordPress（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。uninstall是使用在其中一个用于完全卸载WordPress的插件。File Upload是使用在其中的一个文件上传插件。 WordPress 5.8.3之前版本存在安全漏洞，攻击者可利用该漏洞执行执行JavaScript或执行存储的XSS攻击。
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-2022-21662
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2022-21662 (2)
Mailing List Discussions for CVE-2022-21662 (2)
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https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CV4UNEC63UU5GEU47IIR4RMTZAHNEOJG/ vendor-advisory x_refsource_FEDORA
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Other References for CVE-2022-21662 (1)
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https://wordpress.org/news/2022/01/wordpress-5-8-3-security-release/ x_refsource_MISC
Same Patch Batch · WordPress · 2022-01-06 · 4 CVEs total
| CVE-2022-21661 | 8.0 HIGH | SQL injection in WordPress |
| CVE-2022-21664 | 7.4 HIGH | SQL injection in WordPress |
| CVE-2022-21663 | 6.6 MEDIUM | Authenticated Object Injection in Multisites in WordPress |
IV. Related Vulnerabilities
Same product: wordpress-develop
Same weakness: CWE-79
-
CVE-2026-105784
Joplin whiteboard card rendering allows CSS injection into a -
CVE-2026-105694
Penpot: Stored XSS via Unsanitised SVG Uploads -
CVE-2026-105679
Ghost: Stored XSS via File Uploads on Local Storage -
CVE-2026-105651
Ghost: Stored XSS via Bookmark Card Images -
CVE-2026-105650
Ghost: Stored XSS via oEmbed Photo Responses
V. Comments for CVE-2022-21662
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