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zulip vulnerabilities and exploits
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9.8
CVSSv3
CVE-2022-21706
Zulip is an open-source team collaboration tool with topic-based threading. Zulip Server version 2.0.0 and above are vulnerable to insufficient access control with multi-use invitations. A Zulip Server deployment which hosts multiple organizations is vulnerable to an attack where...
Zulip Zulip Server
9.8
CVSSv3
CVE-2020-10857
Zulip Desktop prior to 5.0.0 improperly uses shell.openExternal and shell.openItem with untrusted content, leading to remote code execution.
Zulip Zulip Desktop
5.3
CVSSv3
CVE-2020-10858
Zulip Desktop prior to 5.0.0 allows malicious users to perform recording via the webcam and microphone due to a missing permission request handler.
Zulip Zulip Desktop
5.4
CVSSv3
CVE-2020-10935
Zulip Server prior to 2.1.3 allows XSS via a Markdown link, with resultant account takeover.
Zulip Zulip Server
4.3
CVSSv3
CVE-2021-30477
An issue exists in Zulip Server prior to 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 mes...
Zulip Zulip Server
4.3
CVSSv3
CVE-2017-0881
An error in the implementation of an autosubscribe feature in the check_stream_exists route of the Zulip group chat application server prior to 1.4.3 allowed an authenticated user to subscribe to a private stream that should have required an invitation from an existing member to ...
Zulip Zulip Server
8.8
CVSSv3
CVE-2017-0910
In Zulip Server prior to 1.7.1, on a server with multiple realms, a vulnerability in the invitation system lets an authorized user of one realm on the server create a user account on any other realm.
Zulip Zulip Server
4.3
CVSSv3
CVE-2023-47642
Zulip is an open-source team collaboration tool. It exists by the Zulip development team that active users who had previously been subscribed to a stream incorrectly continued being able to use the Zulip API to access metadata for that stream. As a result, users who had been remo...
Zulip Zulip Server
5.4
CVSSv3
CVE-2022-23656
Zulip is an open source team chat app. The `main` development branch of Zulip Server from June 2021 and later is vulnerable to a cross-site scripting vulnerability on the recent topics page. An attacker could maliciously craft a full name for their account and send messages to a ...
Zulip Zulip Server
6.5
CVSSv3
CVE-2019-16215
The Markdown parser in Zulip server prior to 2.0.5 used a regular expression vulnerable to exponential backtracking. A user who is logged into the server could send a crafted message causing the server to spend an effectively arbitrary amount of CPU time and stall the processing ...
Zulip Zulip Server
CVSSv3
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2024-23692
malicious code
XML injection
CVE-2024-28020
CVE-2024-35252
CVE-2024-5833
CVE-2024-30066
injection
CVE-2024-23282
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