CVE-2019-20863

An issue was discovered in Mattermost Server before 5.13.0. Incoming webhook creation is not properly restricted...

CVE-2019-20863

CVE-2019-20863 affects Mattermost Server prior to 5.13.0, where incoming webhook creation is not properly restricted. This is a usability/authorization flaw in webhook provisioning that could enable misconfiguration or abuse by an attacker with access to create webhooks. The available documents c...