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TYPO3 Security Misconfiguration in Frontend Session Handling

High severity GitHub Reviewed Published May 30, 2024 to the GitHub Advisory Database • Updated May 30, 2024

Package

composer typo3/cms-core (Composer)

Affected versions

>= 8.0.0, < 8.7.27
>= 9.0.0, < 9.5.8

Patched versions

8.7.27
9.5.8

Description

It has been discovered session data of properly authenticated and logged in frontend users is kept and transformed into an anonymous user session during the logout process. This way the next user using the same client application gains access to previous session data.

References

Published to the GitHub Advisory Database May 30, 2024
Reviewed May 30, 2024
Last updated May 30, 2024

Severity

High
8.2
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
Low
Availability
None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

Weaknesses

CVE ID

No known CVE

GHSA ID

GHSA-82vp-jr39-4j2j

Source code

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