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    CVE-2021-43721

    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');})();>

    Published:Mar 28, 2022
    Last Modified:Nov 21, 2024
    EPS:Mar 28, 2022
    EPSS Score:0.00428
    CVSS Score:6.1

    Affected Products

    Vendor
    Leanote
    Product
    Leanote

    Exploits

    https://github.com/leanote/desktop-app/issues/364https://github.com/leanote/desktop-app/issues/364

    Related CVEs

    CVE-2021-4263 (CVSS 3.5) — A vulnerability, which was classified as problematic, has been found in leanote 2.6.1. This issue affects the …
    CVE-2020-26157 (CVSS 9.6) — Leanote Desktop through 2.6.2 allows XSS because a note's title is mishandled during syncing. This leads to re…
    CVE-2020-26158 (CVSS 9.6) — Leanote Desktop through 2.6.2 allows XSS because a note's title is mishandled when the batch feature is trigge…
    CVE-2019-1010003 (CVSS 6.1) — Leanote prior to version 2.6 is affected by: Cross Site Scripting (XSS).…
    CVE-2018-18553 (CVSS 6.1) — Leanote 2.6.1 has XSS via the Blog Basic Setting title field, which is mishandled during rendering of the "lik…
    CVE-2017-1000459 (CVSS 6.1) — Leanote version <= 2.5 is vulnerable to XSS due to not sanitized input in markdown notes…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High