Vulnerability advisory
GHSA-qr5f-6fcv-w69q
Typo3 Security Misconfiguration in Frontend Session Handling
Severity
Severity not reported.
Affected versions
typo3/cms Packagist
All typo3/cms advisories →| Affected | Fixed in |
|---|---|
8.0.0 to before 8.7.27 | 8.7.27Advisories → |
9.0.0 to before 9.5.8 | 9.5.8Advisories → |
Description
It has been discovered session data of properly authenticated and logged in frontend users is kept and transformed into an anonymous user session during the logout process. This way the next user using the same client application gains access to previous session data.