CVE-2023-4478mediumCWE-74

CVE-2023-4478: medium-severity vulnerability in Mattermost

Parameter tampering in the registration resulting in blocked accounts to be created

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13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 4.3epss 0.5%
Mattermost fails to restrict which parameters' values it takes from the request during signup allowing an attacker to register users as inactive, thus blocking them from later accessing Mattermost without the system admin activating their accounts.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Affected products
Mattermost · Mattermost
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