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zulip server vulnerabilities and exploits
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5.3
CVSSv3
CVE-2021-30479
An issue exists in Zulip Server prior to 3.4. A bug in the implementation of the all_public_streams API feature resulted in guest users being able to receive message traffic to public streams that should have been only accessible to members of the organization.
Zulip Zulip Server
2.7
CVSSv3
CVE-2021-30487
In the topic moving API in Zulip Server 3.x prior to 3.4, organization administrators were able to move messages to streams in other organizations hosted by the same Zulip installation.
Zulip Zulip Server
6.5
CVSSv3
CVE-2023-32678
Zulip is an open-source team collaboration tool with topic-based threading that combines email and chat. Users who used to be subscribed to a private stream and have been removed from it since retain the ability to edit messages/topics, move messages to other streams, and delete ...
Zulip Zulip Server
6.1
CVSSv3
CVE-2020-12759
Zulip Server prior to 2.1.5 allows reflected XSS via the Dropbox webhook.
Zulip Zulip Server
5.4
CVSSv3
CVE-2020-14194
Zulip Server prior to 2.1.5 allows reverse tabnapping via a topic header link.
Zulip Zulip Server
7.5
CVSSv3
CVE-2020-14215
Zulip Server prior to 2.1.5 has Incorrect Access Control because 0198_preregistrationuser_invited_as adds the administrator role to invitations.
Zulip Zulip Server
6.1
CVSSv3
CVE-2018-9986
In Zulip Server versions prior to 1.7.2, there were XSS issues with the frontend markdown processor.
Zulip Zulip Server
4.3
CVSSv3
CVE-2024-21630
Zulip is an open-source team collaboration tool. A vulnerability in version 8.0 is similar to CVE-2023-32677, but applies to multi-use invitations, not single-use invitation links as in the prior CVE. Specifically, it applies when the installation has configured non-admins to be ...
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
5.4
CVSSv3
CVE-2019-16216
Zulip server prior to 2.0.5 incompletely validated the MIME types of uploaded files. A user who is logged into the server could upload files of certain types to mount a stored cross-site scripting attack on other logged-in users. On a Zulip server using the default local uploads ...
Zulip Zulip Server
CVSSv3
CVSSv2
CVSSv3
VMScore
Recommendations:
IMAP
CVE-2024-4367
server-side request forgery
information disclosure
CVE-2024-34342
CVE-2024-4281
CVE-2024-3507
CVE-2024-25560
CVE-2024-34574
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