CVE-2021-43721: XSS
First published: Mon Mar 28 2022(Updated: )
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');})();>
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Leanote Leanote | =2.7.0 |
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Reference Links
Frequently Asked Questions
What is CVE-2021-43721?
CVE-2021-43721 is a vulnerability in Leanote 2.7.0 that allows for Cross Site Scripting (XSS) attacks in the markdown type note, leading to remote code execution.
How does CVE-2021-43721 expose my system to risk?
CVE-2021-43721 allows attackers to inject malicious code into a Leanote markdown type note, which can lead to remote code execution, potentially compromising the affected system.
What is the severity of CVE-2021-43721?
CVE-2021-43721 has a severity rating of 6.1, which is considered medium.
How can I fix CVE-2021-43721?
To fix CVE-2021-43721, you should update Leanote to a version that includes a patch for this vulnerability, or apply any official security updates provided by the vendor.
Where can I find more information about CVE-2021-43721?
You can find more information about CVE-2021-43721 on the GitHub issue page at: https://github.com/leanote/desktop-app/issues/364
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