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CVE-2020-11030— Cross-site scripting (XSS) in Search block in WordPress

Quick assessment

Affected
WordPress WordPress
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 5.2版本至5.4版本中的Search模块存在跨站脚本漏洞。该漏洞源于WEB应用缺少对客户端数据的正确验证。攻击者可利用该漏洞执行客户端代码。

CVSS 6.4 · Medium EPSS 1.44% · P72

Possible ATT&CK Techniques 1 AI

T1505.003 · Web Shell
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I. Basic Information for CVE-2020-11030

Vulnerability Information
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Vulnerability Title
Cross-site scripting (XSS) in Search block in WordPress
Source: CVE Program / CVE List V5
Vulnerability Description
In affected versions of WordPress, a special payload can be crafted that can lead to scripts getting executed within the search block of the block editor. This requires an authenticated user with the ability to add content. This has been patched in version 5.4.1, along with all the previously affected versions via a minor release (5.3.3, 5.2.6, 5.1.5, 5.0.9, 4.9.14, 4.8.13, 4.7.17, 4.6.18, 4.5.21, 4.4.22, 4.3.23, 4.2.27, 4.1.30, 4.0.30, 3.9.31, 3.8.33, 3.7.33).
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对消息或数据结构的处理不恰当
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 5.2版本至5.4版本中的Search模块存在跨站脚本漏洞。该漏洞源于WEB应用缺少对客户端数据的正确验证。攻击者可利用该漏洞执行客户端代码。
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 >= 5.4.0, < 5.4.1 -

II. Public POCs for CVE-2020-11030

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III. Intelligence Information for CVE-2020-11030

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Vendor Advisories for CVE-2020-11030 (2)

Other References for CVE-2020-11030 (1)

Same Patch Batch · WordPress · 2020-04-30 · 6 CVEs total

CVE-2020-11026 8.7 HIGH Specially crafted filenames in WordPress leading to XSS
CVE-2020-11027 6.1 MEDIUM Password reset links invalidation issue in WordPress
CVE-2020-11025 5.8 MEDIUM Authenticated cross-site scripting (XSS) in WordPress Customizer
CVE-2020-11028 5.8 MEDIUM Unauthenticated disclosure of certain private posts in WordPress
CVE-2020-11029 5.8 MEDIUM Cross-site scripting in stats method (object cache) in WordPress

IV. Related Vulnerabilities

Same product: WordPress
Same vendor: WordPress
Same weakness: CWE-707

V. Comments for CVE-2020-11030

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