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GHSA-xvv6-p4wf-mvx7

HighCVSS 7.5 / 10
Published Apr 24, 2026·Last modified May 8, 2026
Affected Components(0)

No affected components available

Description

Problem

The backend user settings module (SetupModuleController) incorrectly conflates entity data (like passwords or email address) with user-interface settings (like theme, display options) when persisting changes. As a result, passwords were stored in cleartext in the uc and user_settings fields of the be_users database table.

The cleartext data was only persisted if users changed their credentials in the backend user settings module when the TYPO3 14.2.0 release was used (not in any other version).

Solution

Update to TYPO3 version 14.3.0 LTS which fixes the problem described.

[!IMPORTANT] Manual actions required

Updating to the patched release does not retroactively clean existing data. It is recommended to execute all User Settings upgrade wizards in the TYPO3 Install Tool, including the dedicated User Settings Scrubbing wizard, which sanitizes the incorrectly persisted cleartext values from the uc and user_settings fields of the be_users table. Additionally, affected backend user accounts should be assigned new passwords.

Admin Tools → Upgrade → Upgrade Wizard → User Settings Scrubbing

Credits

TYPO3 thanks Martin Clewing for reporting this issue, and TYPO3 core team members Oliver Hader, Stefan Bürk and Garvin Hicking for fixing it.

Risk Scores
Base Score
7.5

The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker does not need any special privileges or access rights. No user interaction is needed for the attacker to exploit this vulnerability. The impact is confined to the system where the vulnerability exists. There is a high impact on the confidentiality of the information.

Threat Intelligence
6.9

Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.

EPSS
0.17%

The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.

Exploit
Not available

We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.

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High severity
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