Unknown · Mattermost · CVE-2023-1421
**Name of the Vulnerable Software and Affected Versions**
Mattermost (affected versions not specified)
**Description**
A reflected cross-site scripting issue in the OAuth flow completion endpoints allows an attacker to send AJAX requests on behalf of the victim via sharing a crafted link with a malicious `state` parameter.
**Recommendations**
At the moment, there is no information about a newer version that contains a fix for this vulnerability.