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CVE-2024-38354— Cross-site Scripting in Hackmd.io Notes lead by HTML Injection

Quick assessment

Affected
hackmdio codimd
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.

CodiMD是HackMD开源的一个实时协作笔记应用程序。 CodiMD 2.5.3版本存在安全漏洞，该漏洞源于允许渲染具有未正确清理的HTML标签，攻击者能够通过DOM破坏执行跨站脚本(XSS)攻击。

CVSS 8.1 · High EPSS 0.42% · P35
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I. Basic Information for CVE-2024-38354

Vulnerability Information
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Vulnerability Title
Cross-site Scripting in Hackmd.io Notes lead by HTML Injection
Source: CVE Program / CVE List V5
Vulnerability Description
CodiMD allows realtime collaborative markdown notes on all platforms. The notebook feature of Hackmd.io permits the rendering of iframe `HTML` tags with an improperly sanitized `name` attribute. This vulnerability enables attackers to perform cross-site scripting (XSS) attacks via DOM clobbering. This vulnerability is fixed in 2.5.4.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
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
CodiMD 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
CodiMD是HackMD开源的一个实时协作笔记应用程序。 CodiMD 2.5.3版本存在安全漏洞，该漏洞源于允许渲染具有未正确清理的HTML标签，攻击者能够通过DOM破坏执行跨站脚本(XSS)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
hackmdio codimd < 2.5.4 -

II. Public POCs for CVE-2024-38354

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 7084 chars
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III. Intelligence Information for CVE-2024-38354

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Vendor Advisories for CVE-2024-38354 (1)

IV. Related Vulnerabilities

Same product: codimd
Same vendor: hackmdio
Same weakness: CWE-79

V. Comments for CVE-2024-38354

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