CVE-2021-43721
Last modified
CVE-2021-43721 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. 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');})();>. EPSS estimates a 0.99% chance of exploitation in the next 30 days.
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');})();>
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Leanote | Leanote | 2.7.0 |
References
- https://github.com/leanote/desktop-app/issues/364Exploit, Issue Tracking, Third Party Advisory
- https://github.com/leanote/desktop-app/issues/364Exploit, Issue Tracking, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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