Zulip: >> Zulip Server >> 1.3.6 Security Vulnerabilities
Zulip Server before 2.1.3 allows reverse tabnabbing via the Markdown functionality.
CVSS Score
6.1
EPSS Score
0.002
Published
2020-04-20
Zulip Server before 2.1.3 allows XSS via the modal_link feature in the Markdown functionality.
CVSS Score
6.1
EPSS Score
0.004
Published
2020-04-20
The Markdown parser in Zulip server before 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 of future messages.
CVSS Score
6.5
EPSS Score
0.005
Published
2019-09-18
In Zulip Server versions before 1.7.2, there were XSS issues with the frontend markdown processor.
CVSS Score
6.1
EPSS Score
0.003
Published
2018-04-18
In Zulip Server versions before 1.7.2, there was an XSS issue with stream names in topic typeahead.
CVSS Score
6.1
EPSS Score
0.003
Published
2018-04-18
In Zulip Server versions before 1.7.2, there was an XSS issue with user uploads and the (default) LOCAL_UPLOADS_DIR storage backend.
CVSS Score
5.4
EPSS Score
0.007
Published
2018-04-18
In Zulip Server before 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.
CVSS Score
8.8
EPSS Score
0.003
Published
2017-11-27
Zulip Server 1.5.1 and below suffer from an error in the implementation of the invite_by_admins_only setting in the Zulip group chat application server that allowed an authenticated user to invite other users to join a Zulip organization even if the organization was configured to prevent this.
CVSS Score
6.5
EPSS Score
0.001
Published
2017-06-02
An error in the implementation of an autosubscribe feature in the check_stream_exists route of the Zulip group chat application server before 1.4.3 allowed an authenticated user to subscribe to a private stream that should have required an invitation from an existing member to join. The issue affects all previously released versions of the Zulip server.
CVSS Score
4.3
EPSS Score
0.002
Published
2017-03-28
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