CVE-2021-39183

    Dashboard / Vulnerabilities / CVE-2021-39183

    CVE-2021-39183

    Published: 14 Dec 2021Last Modified: 9 Jul 2026

    Summary:

    Details: Owncast is an open source, self-hosted live video streaming and chat server. In affected versions inline scripts are executed when Javascript is parsed via a paste action. This issue is patched in 0.0.9 by blocking unsafe-inline Content Security Policy and specifying the script-src. The worker-src is required to be set to blob for the video player.

    References: https://github.com/owncast/owncast/security/advisories/GHSA-2hfj-cxw7-g45p

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -7860fe78dc56dc5b2b6e11011dc1e842fff57890

    Affected versions

    v0.0.8
    v0.0.7
    v0.0.6
    v0.0.5
    v0.0.4
    v0.0.3
    v0.0.2
    v0.0.1

    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-2021-39183 | CVE-DB