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CVE-2021-47840— Moeditor 0.2.0 - Persistent Cross-Site Scripting

Quick assessment

Affected
Moeditor Moeditor
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.

Moeditor是Moeditor开源的一个Markdown文件编辑器。 Moeditor 0.2.0版本存在安全漏洞，该漏洞源于允许在markdown文件中存储恶意有效载荷，可能导致远程代码执行。

CVSS 7.2 · High EPSS 0.42% · P34
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I. Basic Information for CVE-2021-47840

Vulnerability Information
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Vulnerability Title
Moeditor 0.2.0 - Persistent Cross-Site Scripting
Source: CVE Program / CVE List V5
Vulnerability Description
Moeditor 0.2.0 contains a persistent cross-site scripting vulnerability that allows attackers to store malicious payloads within markdown files. Attackers can upload specially crafted markdown files with embedded JavaScript that execute when opened, potentially enabling remote code execution on the victim's system.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/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
Moeditor 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Moeditor是Moeditor开源的一个Markdown文件编辑器。 Moeditor 0.2.0版本存在安全漏洞，该漏洞源于允许在markdown文件中存储恶意有效载荷，可能导致远程代码执行。
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
Moeditor Moeditor 0.2.0 -

II. Public POCs for CVE-2021-47840

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III. Intelligence Information for CVE-2021-47840

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Exploits & Public PoCs for CVE-2021-47840 (1)

IV. Related Vulnerabilities

Same weakness: CWE-79

V. Comments for CVE-2021-47840

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