CVE-2026-33395

Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, the discourse-graphviz plugin contains a stored cross-site scripting XSS vulnerability that allows authenticated users to inject malicious JavaScript code through DOT graph definitions. F...

CVE-2026-33395

Discourse, via the discourse-graphviz plugin, is affected by a stored XSS that can be triggered by authenticated users through DOT graph definitions. The issue is present in versions prior to 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, with the vulnerability being mitigated by patches in those pat...

CVE-2026-33395 Discourse has stored click‑based XSS via Graphviz SVG javascript: links

Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, the discourse-graphviz plugin contains a stored cross-site scripting XSS vulnerability that allows authenticated users to inject malicious JavaScript code through DOT graph definitions. F...