CVE-2021-36793

7.5 highEPSS 1.0%

High (7.5) in routes project routes. EPSS 1.0% 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.

Severity

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS: 1.0% chance of exploitation in the next 30 days; higher than 63% of CVEs (scores of 2026-10-31)
CWE: CWE-200
Published: 2021-08-13
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

routes_project:routes

References

https://typo3.org/help/security-advisories/security
https://typo3.org/security/advisory/typo3-ext-sa-2021-008
https://typo3.org/help/security-advisories/security
https://typo3.org/security/advisory/typo3-ext-sa-2021-008

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