CVE-2017-18892: Medium severity mattermost vulnerability
Published Jun 19, 2020
·Updated
An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5. E-mail templates can have a field in which HTML content is not neutralized.
Affected Software
6 affected components
Mattermost Mattermost Server<4.0.5
Mattermost Mattermost Server>=4.1.0<4.1.1
Mattermost Mattermost Server=4.2.0-rc1
Mattermost Mattermost Server=4.2.0-rc2
Mattermost Mattermost Server=4.2.0-rc3
Mattermost Mattermost Server=4.2.0-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-2017-18892?
CVE-2017-18892 is classified as a medium-severity vulnerability due to its potential for HTML injection in email templates.
2
How do I fix CVE-2017-18892?
You can fix CVE-2017-18892 by upgrading Mattermost Server to version 4.2.0 or later, or the appropriate patched version.
3
What versions of Mattermost Server are affected by CVE-2017-18892?
CVE-2017-18892 affects Mattermost Server versions before 4.2.0, including 4.1.1 and 4.0.5.
4
What is the nature of the vulnerability in CVE-2017-18892?
CVE-2017-18892 involves the inability to neutralize HTML content within email templates, leading to potential XSS attacks.
5
Is there a workaround for CVE-2017-18892?
There are no official workarounds for CVE-2017-18892; updating to the fixed version is recommended.