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zulip server vulnerabilities and exploits
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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
6.1
CVSSv3
CVE-2020-9445
Zulip Server prior to 2.1.3 allows XSS via the modal_link feature in the Markdown functionality.
Zulip Zulip Server
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
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
6.1
CVSSv3
CVE-2018-9987
In Zulip Server versions 1.5.x, 1.6.x, and 1.7.x prior to 1.7.2, there was an XSS issue with muting notifications.
Zulip Zulip Server
6.1
CVSSv3
CVE-2018-9990
In Zulip Server versions prior to 1.7.2, there was an XSS issue with stream names in topic typeahead.
Zulip Zulip Server
5.4
CVSSv3
CVE-2018-9999
In Zulip Server versions prior to 1.7.2, there was an XSS issue with user uploads and the (default) LOCAL_UPLOADS_DIR storage backend.
Zulip Zulip Server
1 Github repository
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
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
6.1
CVSSv3
CVE-2019-19775
The image thumbnailing handler in Zulip Server versions 1.9.0 to prior to 2.0.8 allowed an open redirect that was visible to logged-in users.
Zulip Zulip Server
2 Github repositories
CVSSv3
CVSSv2
CVSSv3
VMScore
Recommendations:
hard-coded
CVE-2024-27202
NULL pointer dereference
CVE-2024-28075
CVE-2024-33608
CVE-2024-28889
CVE-2024-34572
template injection
CVE-2024-34351
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