Kimai contains a SameSite cookie vulnerability
Date: 2025-12
Affected: composer/kimai/kimai
Attack vector: other
Category: vulnerability-disclosure
Severity: High
CVE: CVE-2023-53957
CWE: CWE-1275
CVSS: 9.8 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Kimai 1.30.10 contains a SameSite cookie vulnerability that allows attackers to steal user session cookies through malicious exploitation. Attackers can trick victims into executing a crafted PHP script that captures and writes session cookie information to a file, enabling potential session hijacking.


Mitigations:

Architectural layers (MAESTRO):