CVE-2021-36793: Routes Project Routes

High severity, CVSS 7.5. EPSS: 1% chance of exploitation in the next 30 days.

The routes (aka Extbase Yaml Routes) extension before 2.1.1 for TYPO3, when CsrfTokenViewHelper is used, allows Sensitive Information Disclosure because a session identifier is unsafely present in HTML output.

Affected products

• Routes Project Routes: before 2.1.1 (fixed in 2.1.1)

Published 2021-08-13. Last modified 2026-06-17.