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CVE-2025-9541— Markup Markdown < 3.20.10 - Contributor+ Stored XSS

Quick assessment

Affected
Unknown Markup Markdown
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和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台具有在基于PHP和MySQL的服务器上架设个人博客网站的功能。WordPress plugin是一个应用插件。 WordPress plugin Markup Markdown 3.20.10之前版本存在安全漏洞，该漏洞源于允许链接包含JavaScript，可能导致存储型跨站脚本攻击。

AI Predicted 6.1 Difficulty: Easy EPSS 0.23% · P14

Possible ATT&CK Techniques 1 AI

T1059.001 · PowerShell
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I. Basic Information for CVE-2025-9541

Vulnerability Information
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Vulnerability Title
Markup Markdown < 3.20.10 - Contributor+ Stored XSS
Source: CVE Program / CVE List V5
Vulnerability Description
The Markup Markdown WordPress plugin before 3.20.10 allows links to contain JavaScript which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress plugin Markup Markdown 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台具有在基于PHP和MySQL的服务器上架设个人博客网站的功能。WordPress plugin是一个应用插件。 WordPress plugin Markup Markdown 3.20.10之前版本存在安全漏洞，该漏洞源于允许链接包含JavaScript，可能导致存储型跨站脚本攻击。
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
Unknown Markup Markdown 0 ~ 3.20.10 -

II. Public POCs for CVE-2025-9541

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III. Intelligence Information for CVE-2025-9541

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Same Patch Batch · Unknown · 2025-09-22 · 4 CVEs total

CVE-2025-9115 Etsy Shop < 3.0.7 - Reflected XSS via $_SERVER['REQUEST_URI']
CVE-2025-9487 Admin and Site Enhancements < 7.9.8 - Authenticated Stored XSS via SVG
CVE-2025-9540 Markup Markdown < 3.20.10 - Contributor+ Stored XSS

IV. Related Vulnerabilities

Same product: Markup Markdown
Same vendor: Unknown

V. Comments for CVE-2025-9541

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