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CVE-2021-24427— W3 Total Cache < 2.1.3 - Authenticated Stored XSS

Quick assessment

Affected
BoldGrid W3 Total Cache
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（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 Plugins W3 Total Cache存在跨站脚本漏洞，该漏洞源于该插件没有清理或转义其某些 CDN 设置，导致存储型跨站脚本漏洞。

AI Predicted 6.1 Difficulty: Easy EPSS 0.62% · P48

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2021-24427

Vulnerability Information
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Vulnerability Title
W3 Total Cache < 2.1.3 - Authenticated Stored XSS
Source: CVE Program / CVE List V5
Vulnerability Description
The W3 Total Cache WordPress plugin before 2.1.3 did not sanitise or escape some of its CDN settings, allowing high privilege users to use JavaScript in them, which will be output in the page, leading to an authenticated Stored Cross-Site Scripting issue
Source: CVE Program / CVE List V5
CVSS Information
N/A
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。 WordPress Plugins W3 Total Cache存在跨站脚本漏洞，该漏洞源于该插件没有清理或转义其某些 CDN 设置，导致存储型跨站脚本漏洞。
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
BoldGrid W3 Total Cache 2.1.3 ~ 2.1.3 -

II. Public POCs for CVE-2021-24427

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III. Intelligence Information for CVE-2021-24427

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Vendor Advisories for CVE-2021-24427 (1)

Other References for CVE-2021-24427 (1)

IV. Related Vulnerabilities

Same product: W3 Total Cache
Same vendor: BoldGrid
Same weakness: CWE-79

V. Comments for CVE-2021-24427

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