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CVE-2023-53957 — Vulnerability in kimai/kimai — CVE Details

HIGH

Kimai contains a SameSite cookie vulnerability

Published December 19, 2025Updated February 20, 2026Source: osv

Summary

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.

Advisory Timeline

  • First published December 19, 2025 (297 days ago).
  • Last revised February 20, 2026 — 63 days after initial publication.

Affected Packages (1)

Affects 1 ecosystem: packagist (1).

PackageEcosystemAffectedFixed In
kimai/kimai
packagist
0.1, 0.2, 0.3, 0.4 (+93 more)Range-based data available

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 9.8 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

References

Frequently Asked Questions

What is CVE-2023-53957?
Kimai contains a SameSite cookie vulnerability This vulnerability has been assigned a severity rating of HIGH (CVSS score: 9.8/10).
How do I check if my project is affected by CVE-2023-53957?
CVE-2023-53957 affects kimai/kimai. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2023-53957 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
9.8

Exploitation is straightforward and causes maximum impact. Patch immediately.

Also Known As

GHSA-cv8h-r7r5-vwj9

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