medium4.3
CVE-2023-28357
A vulnerability has been identified in Rocket.Chat, where the ACL checks in the Slash Command /mute occur after checking whether a user is a member of a given …
Impact
A vulnerability has been identified in Rocket.Chat, where the ACL checks in the Slash Command /mute occur after checking whether a user is a member of a given channel, leaking private channel members to unauthorized users. This allows authenticated users to enumerate whether a username is a member of a channel that they do not have access to.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Rocket.Chat | Rocket.Chat | before 6.0.0 |