CVE-2026-33411

Discourse is an open-source discussion platform. Versions prior to 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 have a potential stored XSS in topic titles for the solved posts stream. Versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 contain a patch. As a workaround, ensure that the Content Securi...

CVE-2026-33411

Discourse is affected by CVE-2026-33411, a stored XSS in topic titles for the solved posts stream. The issue exists in versions prior to 2026.3.0-latest.1, 2026.2.1, and 2026.1.2. A patch is available in 2026.3.0-latest.1, 2026.2.1, and 2026.1.2. Remediation guidance includes enabling a Content S...

CVE-2026-33411: Improper Neutralization of Input During Web Page Generation

Discourse is an open-source discussion platform. Versions prior to 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 have a potential stored XSS in topic titles for the solved posts stream. Versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 contain a patch. As a workaround, ensure that the Content Securi...