CVE-2022-23502: TYPO3 contains Insufficient Session Expiration after Password Reset

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-12-14 · updated 2026-06-17
Weakness: CWE-613

Description

TYPO3 is an open source PHP based web content management system. In versions prior to 10.4.33, 11.5.20, and 12.1.1, When users reset their password using the corresponding password recovery functionality, existing sessions for that particular user account were not revoked. This applied to both frontend user sessions and backend user sessions. This issue is patched in versions 10.4.33, 11.5.20, 12.1.1.

Affected products

typo3: from 10.0.0 before 10.4.33; from 11.0.0 before 11.5.20; from 12.0.0 before 12.1.1 — fixed in 10.4.33, 11.5.20, 12.1.1

How to fix

Upgrade to a fixed version: typo3 10.4.33, 11.5.20, 12.1.1. Check the vendor advisory for mitigations.

References

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