CVE-2023-53957 HIGH

CVE-2023-53957: Kimai 1.30.10 SameSite Cookie Vulnerability Session Hijacking

Vendor Kimai
Product Kimai
Weakness CWE-1275
Published December 19, 2025
Last update April 7, 2026

CVSS base score

8.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

December 19, 2025 CVE published
April 7, 2026 Record updated