What’s Vulnerable › Vulnerabilities

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

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-12-19 · updated 2026-10-08
• Weakness: CWE-1275

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.

Affected products

• kimai: 1.30.10

References

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

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