CVE-2021-39286

    Dashboard / Vulnerabilities / CVE-2021-39286

    CVE-2021-39286

    Published: 18 Aug 2021Last Modified: 8 Jul 2026

    Summary:

    Details: Webrecorder pywb before 2.6.0 allows XSS because it does not ensure that Jinja2 templates are autoescaped.

    References: https://github.com/webrecorder/pywb/compare/v-2.5.0...v-2.6.0, https://github.com/webrecorder/pywb/commit/f7bd84cdacdd665ff73ae8d09a202f60be2ebae9

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -96de80f83e2e18a333f488d54d21d98dce3b9433

    Affected versions

    v-2.6.0b1
    v-2.6.0b0

    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-2021-39286 | CVE-DB