CWE
79
Advisory Published
Updated

CVE-2017-18879: XSS

First published: Fri Jun 19 2020(Updated: )

An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. XSS could occur via the author_link field of a Slack attachment.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Mattermost<4.1.2
Mattermost>=4.2.0<4.2.1
Mattermost=4.3.0-rc1
Mattermost=4.3.0-rc2
Mattermost=4.3.0-rc3
Mattermost=4.3.0-rc4

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Frequently Asked Questions

  • What is the severity of CVE-2017-18879?

    CVE-2017-18879 has a medium severity rating due to potential XSS vulnerabilities.

  • How do I fix CVE-2017-18879?

    To fix CVE-2017-18879, upgrade to Mattermost Server version 4.3.0 or higher.

  • What products are affected by CVE-2017-18879?

    CVE-2017-18879 affects Mattermost Server versions up to and including 4.1.2, 4.2.0, and 4.2.1.

  • What type of vulnerability is CVE-2017-18879?

    CVE-2017-18879 is classified as a cross-site scripting (XSS) vulnerability.

  • When was CVE-2017-18879 disclosed?

    CVE-2017-18879 was disclosed in late 2017.

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