CVE-2021-26835

    Dashboard / Vulnerabilities / CVE-2021-26835

    CVE-2021-26835

    Published: 18 Jun 2021Last Modified: 8 Jul 2026

    Summary:

    Details: No filtering of cross-site scripting (XSS) payloads in the markdown-editor in Zettlr 1.8.7 allows attackers to perform remote code execution via a crafted file.

    References: https://github.com/Zettlr/Zettlr/releases/tag/v1.8.9, https://github.com/Zettlr/Zettlr/issues/1716

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0e80c56063884f769349cb21f0712b12e97f9d4b
    Fixed -None

    Affected versions

    1.8.7

    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
    CVE-2021-26835 | CVE-DB