CVE-2023-53957

CRITICAL 9.8

Kimai 1.30.10 SameSite Cookie Vulnerability Session Hijacking

CVSS Score

9.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-1275
Vendor	kimai
Product	kimai
Published	Dec 19, 2025
Last Updated	Apr 7, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

Kimai / Kimai

1.30.10

References

NVD ↗ CVE.org ↗ EPSS Data ↗

exploit-db.com: https://www.exploit-db.com/exploits/51278 github.com: https://github.com/kimai/kimai/releases/tag/1.30.10 vulncheck.com: https://www.vulncheck.com/advisories/kimai-samesite-cookie-vulnerability-session-hijacking

Credits

nu11secur1ty