CVE-2023-47127

low-risk
Published 2023-11-14

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.

Do I need to act?

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0.18% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
4
CVSS 4.2/10 Medium
NETWORK / HIGH complexity

Affected Products (2)

Affected Vendors

Typo3

References (6)

Patch https://github.com/TYPO3/typo3/commit/535dfbdc54fd5362e0bc08d911db44eac7f64019
Vendor Advisory https://github.com/TYPO3/typo3/security/advisories/GHSA-3vmm-7h4j-69rm
Vendor Advisory https://typo3.org/security/advisory/typo3-core-sa-2023-006
Patch https://github.com/TYPO3/typo3/commit/535dfbdc54fd5362e0bc08d911db44eac7f64019
Vendor Advisory https://github.com/TYPO3/typo3/security/advisories/GHSA-3vmm-7h4j-69rm
Vendor Advisory https://typo3.org/security/advisory/typo3-core-sa-2023-006
22
/ 100
low-risk
Severity 14/34 · Moderate
Exploitability 1/34 · Minimal
Exposure 7/34 · Low