Description
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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Mattermost | Mattermost | 5.32.0 – < 7.7 | 7.7 |
Advisories 2
- WID-SEC-2023-0662 Mattermost: Schwachstelle ermöglicht Cross-Site Scripting BSI CERT-Bund (WID) · Mar 15, 2023
- WID-SEC-2023-0101 Mattermost: Mehrere Schwachstellen BSI CERT-Bund (WID) · Mar 15, 2023