CVE-2017-18881: 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 a gotolocation response to a slash command.
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-2017-18881?
CVE-2017-18881 is classified as a medium severity vulnerability due to the potential XSS attack vector.
2
How do I fix CVE-2017-18881?
To fix CVE-2017-18881, upgrade Mattermost Server to version 4.3.0 or later.
3
What is the nature of the vulnerability in CVE-2017-18881?
The vulnerability in CVE-2017-18881 allows for cross-site scripting (XSS) via a slash command's goto_location response.
4
Which versions of Mattermost Server are affected by CVE-2017-18881?
Mattermost Server versions prior to 4.3.0, including 4.2.1 and 4.1.2, are affected by CVE-2017-18881.
5
Is there a workaround for CVE-2017-18881 if I cannot upgrade?
There is no known workaround for CVE-2017-18881; upgrading to a secure version is the recommended solution.