CyberRota Analysis
This is a medium severity vulnerability with a CVSS score of 5.7. Exploitation may require the attacker to be authenticated.
CVE
CVE-2025-13821
Severity
MEDIUM
CVSS
5.7
EPSS
0.20%
Original NVD Description
Mattermost versions 11.1.x <= 11.1.2, 10.11.x <= 10.11.9, 11.2.x <= 11.2.1 fail to sanitize sensitive data in WebSocket messages which allows authenticated users to exfiltrate password hashes and MFA secrets via profile nickname updates or email verification events. Mattermost Advisory ID: MMSA-2025-00560
Related CVEs
Other vulnerabilities affecting the same vendor(s)