Vulnerability Description
Mattermost fails to validate links on external websites when constructing a preview for a linked website, allowing an attacker to cause a denial-of-service by a linking to a specially crafted webpage in a message.
CVSS Score
6.5
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mattermost | Mattermost | >= 7.8.0, <= 7.8.3 |
Related Weaknesses (CWE)
References
- https://mattermost.com/security-updates/Vendor Advisory
- https://mattermost.com/security-updates/Vendor Advisory
FAQ
What is CVE-2023-2793?
CVE-2023-2793 is a vulnerability with a CVSS score of 6.5 (MEDIUM). Mattermost fails to validate links on external websites when constructing a preview for a linked website, allowing an attacker to cause a denial-of-service by a linking to a specially crafted webpage ...
How severe is CVE-2023-2793?
CVE-2023-2793 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-2793?
Check the references section above for vendor advisories and patch information. Affected products include: Mattermost Mattermost.