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CVE-2021-24452— W3 Total Cache < 2.1.5 - Reflected XSS in Extensions Page (JS Context)

EPSS 7.72% · P92
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I. Basic Information for CVE-2021-24452

Vulnerability Information
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Vulnerability Title
W3 Total Cache < 2.1.5 - Reflected XSS in Extensions Page (JS Context)
Source: NVD (National Vulnerability Database)
Vulnerability Description
The W3 Total Cache WordPress plugin before 2.1.5 was affected by a reflected Cross-Site Scripting (XSS) issue within the "extension" parameter in the Extensions dashboard, when the 'Anonymously track usage to improve product quality' setting is enabled, as the parameter is output in a JavaScript context without proper escaping. This could allow an attacker, who can convince an authenticated admin into clicking a link, to run malicious JavaScript within the user's web browser, which could lead to full site compromise.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
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 插件 W3 Total Cache 2.1.5之前的版本存在跨站脚本漏洞，该漏洞源于扩展仪表板中“扩展”参数没有正确转义。
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

VendorProductAffected VersionsCPESubscribe
BoldGridW3 Total Cache 2.1.5 ~ 2.1.5 -

II. Public POCs for CVE-2021-24452

#POC DescriptionSource LinkShenlong Link
1WordPress W3 Total Cache plugin before 2.1.5 is susceptible to cross-site scripting via the extension parameter in the Extensions dashboard, when the setting 'Anonymously track usage to improve product quality' is enabled. The parameter is output in a JavaScript context without proper escaping. This can allow an attacker, who can convince an authenticated admin into clicking a link, to run malicious JavaScript within the user's web browser, which could lead to full site compromise. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-24452.yamlPOC Details
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III. Intelligence Information for CVE-2021-24452

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IV. Related Vulnerabilities

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

V. Comments for CVE-2021-24452

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