CVE-2026-3466

Insufficient sanitization of dashboard dashlet title links in Checkmk 2.2.0 EOL, Checkmk 2.3.0 before 2.3.0p46, Checkmk 2.4.0 before 2.4.0p25, and Checkmk 2.5.0 beta before 2.5.0 allows an attacker with dashboard creation privileges to perform stored cross-site scripting XSS attacks by tricking a...

CVE-2017-18880

An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. XSS could occur via the titlelink field of a Slack attachment...

Zulip Server Reverse Tag Kidnapping Vulnerability

Zulip is a powerful open source group chat application that combines the immediacy of live chat with the productivity benefits of threaded conversations.Zulip Server is the Zulip server. A reverse tag kidnapping vulnerability exists in Zulip Server versions prior to 2.1.5. An attacker can exploit...