Password hash in response body after username update
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 4.9epss 0.5%
exploitation probability
0.5%top 57% of all CVEs
observed exploitation
nono source reports it
Mattermost fails to properly sanitize the user object when updating the username, resulting in the password hash being included in the response body.
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Affected products
Mattermost · MattermostReferences
https://mattermost.com/security-updates