VDB
GO-2025-4053
GO-2025-4053
PUBLISHED
CVSS 9.300000190734863 CRITICAL
Mattermost Server allows XSS via redirect URL in github.com/mattermost/mattermost-server
Risk Scores
CVSS v4.0
9.300000190734863
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| github.com | mattermost/mattermost-server | 0, 0 |
Timeline
- Oct 30, 2025 CVE Published
- Mar 3, 2026 CVE Updated
- May 1, 2026 Security Advisory