BIT-DISCOURSE-2025-67723 Discourse vulnerable to stored Cross-site Scripting via Katex in discourse-math plugin

Discourse is an open source discussion platform. Versions prior to 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0 have a content-security-policy-mitigated cross-site scriptinv vulnerability on the Discourse Math plugin when using its KaTeX variant. This issue is patched in versions 3.5.4, 2025.11.2,...

CVE-2025-67723

CVE-2025-67723 affects Discourse server with the Discourse Math plugin when using KaTeX. The issue is a content-security-policy-mitigated cross-site scripting vulnerability in the KaTeX variant, present in versions prior to 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0. The vulnerability is addressed...

CVE-2025-67723 Discourse vulnerable to stored Cross-site Scripting via Katex in discourse-math plugin

Discourse is an open source discussion platform. Versions prior to 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0 have a content-security-policy-mitigated cross-site scriptinv vulnerability on the Discourse Math plugin when using its KaTeX variant. This issue is patched in versions 3.5.4, 2025.11.2,...