Security Advisory

CVE-2021-30477

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2021-04-14 23:45:14

Last updated 2024-08-03 22:32:41

Assigner mitre

State PUBLISHED

Description

An issue was discovered in Zulip Server before 3.4. A bug in the implementation of replies to messages sent by outgoing webhooks to private streams meant that an outgoing webhook bot could be used to send messages to private streams that the user was not intended to be able to send messages to.

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