CVE-2017-18907
Mattermost Server vulnerable to XSS through channel headers in github.com/mattermost/mattermost-server
Description
Mattermost Server vulnerable to XSS through channel headers in github.com/mattermost/mattermost-server. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. (If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the report.) The additional affected modules and versions are: github.com/mattermost/mattermost-server before v3.9.2-0.20170714014920-312269ad0bd1.
How to fix CVE-2017-18907
To remediate CVE-2017-18907, upgrade the affected package to a fixed version below.
- —upgrade to 3.9.2-0.20170714014920-312269ad0bd1 or later
- —upgrade to 3.10.2+incompatible or later
Is CVE-2017-18907 being exploited?
Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 3.9.2-0.20170714014920-312269ad0bd1
- >= 3.10.0+incompatible, < 3.10.2+incompatible
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |