Vulnerability Database

315,294

Total vulnerabilities in the database

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.

  • Published: Mar 15, 2023
  • Updated: Nov 16, 2025
  • CVE: CVE-2023-1421
  • Severity: Low
  • Exploit:

CVSS v3:

  • Severity: Low
  • Score: 3.5
  • AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N

CWEs:

OWASP TOP 10:

Software From Fixed in
mattermost / mattermost_server 5.32.0 7.7.0