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.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction Active

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00056.

Exploitation poc

Automatable yes

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Kimai Kimai affected
Version Status Constraints
1.30.10 affected —

No data.

No data.

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Project Subscriptions

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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/kimai/kimai/releases/tag/1.30.10 cve-icon cve-icon
https://www.exploit-db.com/exploits/51278 cve-icon cve-icon
https://www.vulncheck.com/advisories/kimai-samesite-cookie-vulnerability-session-hijacking cve-icon cve-icon
History

Sun, 21 Dec 2025 21:30:00 +0000

Type Values Removed Values Added
First Time appeared Kimai
Kimai kimai
Vendors & Products Kimai
Kimai kimai

Fri, 19 Dec 2025 22:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Fri, 19 Dec 2025 21:15:00 +0000

Type Values Removed Values Added
Description 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.
Title Kimai 1.30.10 SameSite Cookie Vulnerability Session Hijacking
Weaknesses CWE-1275
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.5, '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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2025-12-19T21:41:07.772Z

Reserved: 2025-12-19T14:03:57.723Z

Link: CVE-2023-53957

cve-icon Vulnrichment

Updated: 2025-12-19T21:40:32.163Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-12-19T21:15:52.170

Modified: 2025-12-23T14:51:52.650

Link: CVE-2023-53957

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-12-21T21:12:50Z

Weaknesses