CVE-2023-47127: TYPO3 vulnerable to Weak Authentication in Session Handling

November 14, 2023 (updated November 21, 2023)

TYPO3 is an open source PHP based web content management system released under the GNU GPL. In typo3 installations there are always at least two different sites. Eg. first.example.org and second.example.com. In affected versions a session cookie generated for the first site can be reused on the second site without requiring additional authentication. This vulnerability has been addressed in versions 8.7.55, 9.5.44, 10.4.41, 11.5.33, and 12.4.8. Users are advised to upgrade. There are no known workarounds for this vulnerability.

References

github.com/TYPO3/typo3/commit/535dfbdc54fd5362e0bc08d911db44eac7f64019
github.com/TYPO3/typo3/security/advisories/GHSA-3vmm-7h4j-69rm
github.com/advisories/GHSA-3vmm-7h4j-69rm
nvd.nist.gov/vuln/detail/CVE-2023-47127
typo3.org/security/advisory/typo3-core-sa-2023-006

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