Medium severity6.1NVD Advisory· Published Jun 19, 2020· Updated Jun 17, 2026
CVE-2017-18892
CVE-2017-18892
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
github.com/mattermost/mattermost-serverGo | < 4.0.5 | 4.0.5 |
github.com/mattermost/mattermost-serverGo | >= 4.1.0, < 4.1.1 | 4.1.1 |
github.com/mattermost/mattermost-serverGo | >= 4.2.0-rc1, < 4.2.0 | 4.2.0 |
Affected products
9cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*+ 4 more
- cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*range: <4.0.5
- cpe:2.3:a:mattermost:mattermost_server:4.2.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:mattermost:mattermost_server:4.2.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:mattermost:mattermost_server:4.2.0:rc3:*:*:*:*:*:*
- cpe:2.3:a:mattermost:mattermost_server:4.2.0:rc4:*:*:*:*:*:*
- Mattermost/Serverdescription
- ghsa-coords3 versionspkg:golang/github.com/mattermost/mattermost-serverpkg:rpm/opensuse/govulncheck-vulndb&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/govulncheck-vulndb&distro=openSUSE%20Leap%2016.0
< 4.0.5+ 2 more
- (no CPE)range: < 4.0.5
- (no CPE)range: < 0.0.20260123T022811-150000.1.140.1
- (no CPE)range: < 0.0.20260723T184607-160000.1.1
Patches
Vulnerability mechanics
References
7- github.com/advisories/GHSA-wj5w-qghh-gvqpghsaADVISORY
- mattermost.com/security-updates/nvdVendor Advisory
- nvd.nist.gov/vuln/detail/CVE-2017-18892ghsaADVISORY
- github.com/mattermost/mattermost/commit/4e05fbffed4d7ad75c0bb55d67d2c6f7cf9eaad6ghsaWEB
- github.com/mattermost/mattermost/commit/d76946bdb545aba4088943fc523dabb459d22873ghsaWEB
- github.com/mattermost/mattermost/commit/f5167f3ba645b829f4c28530e13be6c3db967255ghsaWEB
- mattermost.com/security-updatesghsaWEB
News mentions
0No linked articles in our index yet.