Vulnerabilities (CVE)

Filtered by vendor Zulip Subscribe
Filtered by product Zulip Server
Total 31 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2020-10935 1 Zulip 1 Zulip Server 2023-12-10 3.5 LOW 5.4 MEDIUM
Zulip Server before 2.1.3 allows XSS via a Markdown link, with resultant account takeover.
CVE-2019-19775 1 Zulip 1 Zulip Server 2023-12-10 5.8 MEDIUM 6.1 MEDIUM
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.
CVE-2019-18933 1 Zulip 1 Zulip Server 2023-12-10 7.5 HIGH 9.8 CRITICAL
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.
CVE-2019-16216 1 Zulip 1 Zulip Server 2023-12-10 3.5 LOW 5.4 MEDIUM
Zulip server before 2.0.5 incompletely validated the MIME types of uploaded files. A user who is logged into the server could upload files of certain types to mount a stored cross-site scripting attack on other logged-in users. On a Zulip server using the default local uploads backend, the attack is only effective against browsers lacking support for Content-Security-Policy such as Internet Explorer 11. On a Zulip server using the S3 uploads backend, the attack is confined to the origin of the configured S3 uploads hostname and cannot reach the Zulip server itself.
CVE-2018-9999 1 Zulip 1 Zulip Server 2023-12-10 3.5 LOW 5.4 MEDIUM
In Zulip Server versions before 1.7.2, there was an XSS issue with user uploads and the (default) LOCAL_UPLOADS_DIR storage backend.
CVE-2018-9987 1 Zulip 1 Zulip Server 2023-12-10 4.3 MEDIUM 6.1 MEDIUM
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.
CVE-2018-9990 1 Zulip 1 Zulip Server 2023-12-10 4.3 MEDIUM 6.1 MEDIUM
In Zulip Server versions before 1.7.2, there was an XSS issue with stream names in topic typeahead.
CVE-2018-9986 1 Zulip 1 Zulip Server 2023-12-10 4.3 MEDIUM 6.1 MEDIUM
In Zulip Server versions before 1.7.2, there were XSS issues with the frontend markdown processor.
CVE-2017-0896 1 Zulip 1 Zulip Server 2023-12-10 4.0 MEDIUM 6.5 MEDIUM
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.
CVE-2017-0910 1 Zulip 1 Zulip Server 2023-12-10 4.0 MEDIUM 8.8 HIGH
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.
CVE-2017-0881 1 Zulip 1 Zulip Server 2023-12-10 4.0 MEDIUM 4.3 MEDIUM
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.