Vulnerabilities > Zulip > Zulip Server

DATE CVE VULNERABILITY TITLE RISK
2019-12-18 CVE-2019-19775 Open Redirect vulnerability in Zulip Server
The image thumbnailing handler in Zulip Server versions 1.9.0 to before 2.0.8 allowed an open redirect that was visible to logged-in users.
network
low complexity
zulip CWE-601
6.1
2019-11-21 CVE-2019-18933 Unspecified vulnerability in Zulip Server
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.
network
low complexity
zulip
critical
9.8
2019-09-18 CVE-2019-16216 Cross-site Scripting vulnerability in Zulip Server
Zulip server before 2.0.5 incompletely validated the MIME types of uploaded files.
network
low complexity
zulip CWE-79
5.4
2019-09-18 CVE-2019-16215 Unspecified vulnerability in Zulip Server
The Markdown parser in Zulip server before 2.0.5 used a regular expression vulnerable to exponential backtracking.
network
low complexity
zulip
6.5
2018-04-18 CVE-2018-9999 Cross-site Scripting vulnerability in Zulip Server
In Zulip Server versions before 1.7.2, there was an XSS issue with user uploads and the (default) LOCAL_UPLOADS_DIR storage backend.
network
low complexity
zulip CWE-79
5.4
2018-04-18 CVE-2018-9990 Cross-site Scripting vulnerability in Zulip Server
In Zulip Server versions before 1.7.2, there was an XSS issue with stream names in topic typeahead.
network
low complexity
zulip CWE-79
6.1
2018-04-18 CVE-2018-9987 Cross-site Scripting vulnerability in Zulip Server
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.
network
low complexity
zulip CWE-79
6.1
2018-04-18 CVE-2018-9986 Cross-site Scripting vulnerability in Zulip Server
In Zulip Server versions before 1.7.2, there were XSS issues with the frontend markdown processor.
network
low complexity
zulip CWE-79
6.1
2017-11-27 CVE-2017-0910 Improper Authentication vulnerability in Zulip Server
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.
network
low complexity
zulip CWE-287
8.8
2017-06-02 CVE-2017-0896 Missing Authorization vulnerability in Zulip Server
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.
network
low complexity
zulip CWE-862
6.5