CVE-2017-18879: XSS
Published 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 authorlink field of a Slack attachment.
Affected Software
6 affected components
Mattermost Mattermost Server<4.1.2
Mattermost Mattermost Server>=4.2.0<4.2.1
Mattermost Mattermost Server=4.3.0-rc1
Mattermost Mattermost Server=4.3.0-rc2
Mattermost Mattermost Server=4.3.0-rc3
Mattermost Mattermost Server=4.3.0-rc4
Event History
Jun 19, 2020
CVE Published
via MITRE·06:08 PM
Data Sourced
via MITRE·06:08 PM
Description
Frequently Asked Questions
1
What is the severity of CVE-2017-18879?
CVE-2017-18879 has a medium severity rating due to potential XSS vulnerabilities.
2
How do I fix CVE-2017-18879?
To fix CVE-2017-18879, upgrade to Mattermost Server version 4.3.0 or higher.
3
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.
4
What type of vulnerability is CVE-2017-18879?
CVE-2017-18879 is classified as a cross-site scripting (XSS) vulnerability.
5
When was CVE-2017-18879 disclosed?
CVE-2017-18879 was disclosed in late 2017.