CVE-2021-37703

    Dashboard / Vulnerabilities / CVE-2021-37703

    CVE-2021-37703

    Published: 13 Aug 2021Last Modified: 9 Jul 2026

    Summary:

    Details: Discourse is an open-source platform for community discussion. In Discourse before versions 2.7.8 and 2.8.0.beta5, a user's read state for a topic such as the last read post number and the notification level is exposed.

    References: https://github.com/discourse/discourse/security/advisories/GHSA-gq2h-qhg2-phf9, https://github.com/discourse/discourse/commit/aed65ec16d38886d7be7209d8c02df4ffd4937a4

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -18b6f4ecf6d3513af90b8a54a3514dfa160044d8

    Affected versions

    2.8.0-beta1
    2.8.0-beta2
    2.8.0-beta3
    2.8.0-beta4

    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-2021-37703 | CVE-DB