Vulnerability Description
An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. XSS could occur via the author_link field of a Slack attachment.
CVSS Score
6.1
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mattermost | Mattermost Server | < 4.1.2 |
Related Weaknesses (CWE)
References
- https://mattermost.com/security-updates/Vendor Advisory
- https://mattermost.com/security-updates/Vendor Advisory
FAQ
What is CVE-2017-18879?
CVE-2017-18879 is a vulnerability with a CVSS score of 6.1 (MEDIUM). An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. XSS could occur via the author_link field of a Slack attachment.
How severe is CVE-2017-18879?
CVE-2017-18879 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2017-18879?
Check the references section above for vendor advisories and patch information. Affected products include: Mattermost Mattermost Server.