CVE-2017-18907
MEDIUM6.1EPSS 0.36%Mattermost Server vulnerable to XSS through channel headers
Published: 5/24/2022Modified: 2/19/2026
Description
An issue was discovered in Mattermost Server before 4.0.0, 3.10.2, and 3.9.2. XSS could occur via a channel header.
Affected packages (2)
- Go/github.com/mattermost/mattermost-serverfrom 0, < 3.9.2-0.20170714014920-312269ad0bd1
- Go/github.com/mattermost/mattermost-server>= 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 |
References (7)
- ADVISORYhttps://github.com/advisories/GHSA-42x9-rr3c-gr59
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2017-18907
- PATCHhttps://github.com/mattermost/mattermost
- WEBhttps://github.com/mattermost/mattermost/commit/312269ad0bd166174f07f9df7391fce714601600
- WEBhttps://github.com/mattermost/mattermost/commit/4519b03d95e8bfe1b2f74094673ae1a2f39f6b47
- WEBhttps://github.com/mattermost/mattermost/commit/a18479df0940be8503c9b88993490741793eba9e
- WEBhttps://mattermost.com/security-updates