CVE-2023-1421

A reflected cross-site scripting vulnerability in the OAuth flow completion endpoints in Mattermost allows an attacker to send AJAX requests on behalf of the victim via sharing a crafted link with a malicious state parameter.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
MattermostCNA
3.5 LOW
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 70%
Affected Products (NVD)
VendorProductVersion
mattermostmattermost_server
5.32.0 ≤
𝑥
< 7.7.0
𝑥
= Vulnerable software versions
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
mattermostmattermost
5.32.0 ≤
𝑥
< 7.7
CNA
Common Weakness Enumeration
References
https://mattermost.com/security-updates/
https://mattermost.com/security-updates/