GHSA-h3gq-j7p9-x3p4

    Dashboard / Vulnerabilities / GHSA-h3gq-j7p9-x3p4

    GHSA-h3gq-j7p9-x3p4

    Published: 29 Dec 2023Last Modified: 10 Sept 2026

    Summary: Mattermost Cross-site Scripting vulnerability

    Details: Mattermost version 8.1.6 and earlier fails to sanitize channel mention data in posts, which allows an attacker to inject markup in the web client.

    References: https://nvd.nist.gov/vuln/detail/CVE-2023-7113, https://github.com/advisories/GHSA-h3gq-j7p9-x3p4, https://github.com/mattermost/mattermost, https://mattermost.com/security-updates

    Affected packages

    Package

    Name: github.com/mattermost/mattermost/server/v8

    Purl: pkg:golang/github.com/mattermost/mattermost/server/v8

    Affected ranges

    Type: SEMVER

    Events:

    Introduced- 0
    Fixed -8.1.7

    Affected versions

    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
    GHSA-h3gq-j7p9-x3p4 | CVE-DB