CVE-2021-43721 describes a Cross-Site Scripting (XSS) vulnerability in Leanote version 2.7.0, specifically within the markdown note type. This flaw allows for remote code execution through a crafted payload, impacting the confidentiality and integrity of user data. With a CVSS score of 6.1 (Medium), exploitation requires user interaction and can be executed over the network with low attack complexity. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
2.7.0CPE matchmatch criteria | cpe:2.3:a:leanote:leanote:2.7.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.