Meta

• CVSS: AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N/E:F/RL:O/RC:C (4.9)

Problem

It has been discovered that user credentials have been logged as plaintext when explicitly using log level debug, which is not the default configuration.

Solution

Update to TYPO3 versions 7.6.52 ELTS, 8.7.41 ELTS, 9.5.28, 10.4.18, 11.3.1 that fix the problem described.

Credits

Thanks to Ingo Schmitt who reported this issue, and to TYPO3 core & security team member Benni Mack who fixed the issue.

References

• TYPO3-CORE-SA-2021-012