Zulip: >> Zulip Server >> 1.7.0 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
In Zulip Server versions from 1.7.0 to before 2.0.7, a bug in the new user signup process meant that users who registered their account using social authentication (e.g., GitHub or Google SSO) in an organization that also allows password authentication could have their personal API key stolen by an unprivileged attacker, allowing nearly full access to the user's account.
CVSS Score
9.8
EPSS Score
0.004
Published
2019-11-21
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 1.5.x, 1.6.x, and 1.7.x before 1.7.2, there was an XSS issue with muting notifications.
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
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