PT-2020-8426
CVE-2017-18880
·
Published
2020-06-19
·
Updated
2020-06-26
Description by
CVSS 3.1
6.1
MediumMetricsAV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Name of the Vulnerable Software and Affected Versions:
Mattermost Server versions prior to 4.3.0
Mattermost Server version 4.2.1
Mattermost Server version 4.1.2
Description:
An issue was discovered in Mattermost Server. XSS could occur via the
title link field of a Slack attachment.Recommendations:
For versions prior to 4.3.0, update to version 4.3.0 or later.
For version 4.2.1, update to version 4.3.0 or later.
For version 4.1.2, update to version 4.3.0 or later.
As a temporary workaround, consider restricting the use of the
title link field in Slack attachments until a patch is available. Found an issue in the description? Have something to add? Feel free to write us 👾