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CVE-2021-43721

Quick assessment

Affected
n/a n/a
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.

Leanote是一款开源的记事本应用程序。 Leanote 2.7.0版本存在跨站脚本漏洞，该漏洞源于Leanote 2.7.0版本易受Markdown类型注释中的跨站脚本(XSS)攻击，导致使用有效负载执行远程代码。

AI Predicted 9.1 Difficulty: Trivial EPSS 1.06% · P62
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I. Basic Information for CVE-2021-43721

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Leanote 2.7.0 is vulnerable to Cross Site Scripting (XSS) in the markdown type note. This leads to remote code execution with payload : <video src=x onerror=(function(){require('child_process').exec('calc');})();>
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
Leanote 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Leanote是一款开源的记事本应用程序。 Leanote 2.7.0版本存在跨站脚本漏洞，该漏洞源于Leanote 2.7.0版本易受Markdown类型注释中的跨站脚本(XSS)攻击，导致使用有效负载执行远程代码。
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
- n/a n/a -

II. Public POCs for CVE-2021-43721

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-43721

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Other References for CVE-2021-43721 (1)

Same Patch Batch · n/a · 2022-03-28 · 43 CVEs total

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CVE-2022-23882 TuziCMS SQL注入漏洞
CVE-2022-26280 libarchive 缓冲区错误漏洞
CVE-2021-43103 diyhi bbs 代码问题漏洞
CVE-2022-26291 lrzip 资源管理错误漏洞
CVE-2022-26640 Tp-link TL-WR840N 安全漏洞
CVE-2022-26641 Tp-link TL-WR840N 安全漏洞
CVE-2022-26642 Tp-link TL-WR840N 安全漏洞
CVE-2022-26296 Berkeley Riscv-boom 安全漏洞
CVE-2022-26639 TP-LINK TL-WR840N 安全漏洞
CVE-2021-43102 diyhi bbs 代码问题漏洞
CVE-2021-43100 diyhi bbs 代码问题漏洞
CVE-2021-43099 diyhi bbs 路径遍历漏洞
CVE-2021-43098 diyhi bbs 代码问题漏洞
CVE-2021-43097 diyhi bbs 代码注入漏洞
CVE-2022-26278 Tenda AC9 缓冲区错误漏洞
CVE-2022-26980 Teampass 跨站脚本漏洞
CVE-2021-44124 Hiby Music Hiby OS R3 Pro 路径遍历漏洞
CVE-2021-43725 Spotweb 跨站脚本漏洞
CVE-2022-23884 Mojang Bedrock Dedicated Server 输入验证错误漏洞

Showing top 20 of 43 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2021-43721

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