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. | 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. | 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. | 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. | 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. | 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. | 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. | 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. | 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. | 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. | 6.5 |