CVE-2022-21642

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    CVE-2022-21642

    Published: 5 Jan 2022Last Modified: 12 Aug 2026

    Summary: Exposure of whisper participants in discourse

    Details: Discourse is an open source platform for community discussion. In affected versions when composing a message from topic the composer user suggestions reveals whisper participants. The issue has been patched in stable version 2.7.13 and beta version 2.8.0.beta11. There is no workaround for this issue and users are advised to upgrade.

    References: https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/21xxx/CVE-2022-21642.json, https://github.com/discourse/discourse/security/advisories/GHSA-mx3h-vc7w-r9c6, https://nvd.nist.gov/vuln/detail/CVE-2022-21642, https://github.com/discourse/discourse/commit/702685b6a06ae45a544fc702027f1e4573d94aaa

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -3a126c134e706f5a69a212f3556eb5501f161bc0

    Affected versions

    2.8.0-beta1
    2.8.0-beta10
    2.8.0-beta2
    2.8.0-beta3
    2.8.0-beta4
    2.8.0-beta5
    2.8.0-beta6
    2.8.0-beta7
    2.8.0-beta8
    2.8.0-beta9

    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-2022-21642 | CVE-DB