CVE-2026-6553: TYPO3 CMS Stores Cleartext Password in User Settings Module

high Affects typo3/cms-backend. Feed 2026.10.29.1, updated 2026-10-28; published 2026-04-24; advisory modified 2026-05-08.

TYPO3 CMS Stores Cleartext Password in User Settings Module

Package: typo3/cms-backend Composer
Affected versions: >=14.2.0 and <14.3.0
Fixed in: 14.3.0
Severity: high CVSS 7.5
Exploitation: not on CISA KEV · EPSS 0% (5.9th percentile)
Published: 2026-04-24
Source: osv.dev

References

CWE-312

NVD record typo3/cms-backend advisories

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Related advisories

CVE-2009-3631 high TYPO3 Backend Command Injection via Shell Metacharacters in Uploaded File Name same package: typo3/cms-backend
CVE-2010-3663 high TYPO3 Arbitrary Code Execution vulnerability on the backend same package: typo3/cms-backend
CVE-2009-3630 medium TYPO3 Backend vulnerable to Frame Hijacking same package: typo3/cms-backend
CVE-2009-3629 low TYPO3 Backend vulnerable to Cross-site Scripting same package: typo3/cms-backend
CVE-2010-3659 medium TYPO3 Cross-site Scripting vulnerability in the extension manager and backend forms same package: typo3/cms-backend
CVE-2010-3664 medium TYPO3 is vulnerable to Information Disclosure on the backend same package: typo3/cms-backend