CVE-2021-43721

MediumCVSS 6.1/10Last modified Jun 17, 2026

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 6.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Mar 28, 2022
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2021

CVE-2021-437229.8D-Link DIR-645 1.03 A1 is vulnerable to Buffer Overflow. The hnap_main function in the cgibin handler uses sprintf to format the soapaction CVE-2021-437244.8A Cross Site Scripting (XSS) vulnerability exits in Subrion CMS through 4.2.1 in the Create Page functionality of the admin Account via a SGCVE-2021-437256.1There is a Cross Site Scripting (XSS) vulnerability in SpotPage_login.php of Spotweb 1.5.1 and below, which allows remote attackers to injecCVE-2021-437285.4Pix-Link MiNi Router 28K.MiniRouter.20190211 was discovered to contain a stored cross-site scripting (XSS) vulnerability due to an unsanitizCVE-2021-437295.4Pix-Link MiNi Router 28K.MiniRouter.20190211 was discovered to contain a stored cross-site scripting (XSS) vulnerability due to an unsanitizCVE-2021-43734.3The Better Search plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 2.5.2. This makes it poCVE-2021-437347.5kkFileview v4.0.0 has arbitrary file read through a directory traversal vulnerability which may lead to sensitive file leak on related host.CVE-2021-437359.8CmsWing 1.3.7 is affected by a SQLi vulnerability via parameter: behavior rule.CVE-2021-437369.8CmsWing CMS 1.3.7 is affected by a Remote Code Execution (RCE) vulnerability via parameter: log ruleCVE-2021-437376.5An issus was discovered in xiaohuanxiong CMS 5.0.17. There is a CSRF vulnerability that can modify administrator account's password.CVE-2021-437388.8An issue was discovered in xiaohuanxiong CMS 5.0.17. There is a CSRF vulnerability that can that can add the administrator account.CVE-2021-43749.8The WordPress Automatic Plugin for WordPress is vulnerable to arbitrary options updates in versions up to, and including, 3.53.2. This is du
CVE-2021-43721: Medium severity, CVSS 6.1 | Vulnix