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CVE-2024-49362— Remote Code Execution on click of <a> Link in markdown preview

Quick assessment

Affected
laurent22 joplin
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.

Joplin是Laurent Cozic个人开发者的一款开源的笔记和待办事项应用程序。 Joplin 3.0版本存在代码注入漏洞，该漏洞源于标签属性清理不当，可在Electron窗口内执行不受信任的HTML内容，导致启用任意shell命令执行。

CVSS 7.7 · High EPSS 1.03% · P63
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I. Basic Information for CVE-2024-49362

Vulnerability Information
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Vulnerability Title
Remote Code Execution on click of <a> Link in markdown preview
Source: CVE Program / CVE List V5
Vulnerability Description
Joplin is a free, open source note taking and to-do application. Joplin-desktop has a vulnerability that leads to remote code execution (RCE) when a user clicks on an <a> link within untrusted notes. The issue arises due to insufficient sanitization of <a> tag attributes introduced by the Mermaid. This vulnerability allows the execution of untrusted HTML content within the Electron window, which has full access to Node.js APIs, enabling arbitrary shell command execution.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Joplin 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Joplin是Laurent Cozic个人开发者的一款开源的笔记和待办事项应用程序。 Joplin 3.0版本存在代码注入漏洞，该漏洞源于标签属性清理不当，可在Electron窗口内执行不受信任的HTML内容，导致启用任意shell命令执行。
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
laurent22 joplin < 3.1 -

II. Public POCs for CVE-2024-49362

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 6940 chars
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III. Intelligence Information for CVE-2024-49362

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IV. Related Vulnerabilities

Same product: joplin
Same vendor: laurent22
Same weakness: CWE-94

V. Comments for CVE-2024-49362

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