Description
When creating a playbook run via the /dialog API, Mattermost fails to validate all parameters, allowing an authenticated attacker to edit an arbitrary channel post.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Mattermost Mattermost
Default version status: unaffected
0 to < 7.9.2affected0 to < 7.8.3affected0 to < 7.7.4affected0 to < 7.10.1affected7.9.2unaffected7.8.3unaffected7.7.4unaffected7.10.1unaffected