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CVE-2021-24316— Mediumish <= 1.0.47 - Unauthenticated Reflected Cross-Site Scripting (XSS)

Quick assessment

Affected
WowThemes Mediumish
Exploitation
Public or AI PoC available; prioritize validation
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 插件存在跨站脚本漏洞，该漏洞源于搜索功能在输出回页面之前没有正确地清除它的GET参数，导致了跨站点脚本问题。

AI Predicted 6.1 Difficulty: Easy EPSS 6.44% · P93

Public Exploits 1

Nuclei · 1 CVE-2021-24316.yaml [template]
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I. Basic Information for CVE-2021-24316

Vulnerability Information
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Vulnerability Title
Mediumish <= 1.0.47 - Unauthenticated Reflected Cross-Site Scripting (XSS)
Source: CVE Program / CVE List V5
Vulnerability Description
The search feature of the Mediumish WordPress theme through 1.0.47 does not properly sanitise it's 's' GET parameter before output it back the page, leading to the 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 插件存在跨站脚本漏洞，该漏洞源于搜索功能在输出回页面之前没有正确地清除它的GET参数，导致了跨站点脚本问题。
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
WowThemes Mediumish 1.0.47 ~ 1.0.47 -

II. Public POCs for CVE-2021-24316

# POC Description Source Link Shenlong Link
1 WordPress Mediumish theme 1.0.47 and prior contains an unauthenticated reflected cross-site scripting vulnerability. The 's' GET parameter is not properly sanitized by the search feature before it is output back on the page. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-24316.yaml POC Details
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III. Intelligence Information for CVE-2021-24316

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Vendor Advisories for CVE-2021-24316 (1)

Other References for CVE-2021-24316 (2)

IV. Related Vulnerabilities

Same weakness: CWE-79

V. Comments for CVE-2021-24316

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