CVE-2023-47127

Name: CVE-2023-47127
Creator: NVD / NIST
Published: 2023-11-14T20:15:08.23+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.56%

Last modified Jun 17, 2026

CVE-2023-47127 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. 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. EPSS estimates a 0.56% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

5.4/10

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

EPSS Probability

0.56%

42.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Typo3	Typo3	>= 8.0.0, < 8.7.55
Typo3	Typo3	>= 9.0.0, < 9.5.44
Typo3	Typo3	>= 10.0.0, < 10.4.41
Typo3	Typo3	>= 11.0.0, < 11.5.33
Typo3	Typo3	>= 12.0.0, < 12.4.8

References

https://github.com/TYPO3/typo3/commit/535dfbdc54fd5362e0bc08d911db44eac7f64019Patch
https://github.com/TYPO3/typo3/security/advisories/GHSA-3vmm-7h4j-69rmVendor Advisory
https://typo3.org/security/advisory/typo3-core-sa-2023-006Vendor Advisory
https://github.com/TYPO3/typo3/commit/535dfbdc54fd5362e0bc08d911db44eac7f64019Patch
https://github.com/TYPO3/typo3/security/advisories/GHSA-3vmm-7h4j-69rmVendor Advisory
https://typo3.org/security/advisory/typo3-core-sa-2023-006Vendor Advisory

Timeline

Published: Nov 14, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-47127?

How severe is CVE-2023-47127?

CVE-2023-47127 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.56% probability of exploitation in the next 30 days.

How do I fix CVE-2023-47127?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-47127?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST