CVE-2023-53957 | Kimai 1.30.10 contains a SameSite cookie vulnerability that … | CVSS 9.8 CRITICAL

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.

Metadata

CVE ID: CVE-2023-53957
State: PUBLISHED
Assigner: VulnCheck
Reserved: 2025-12-19 14:03 UTC
Published: 2025-12-19 21:05 UTC
Last updated: 2026-04-07 14:08 UTC
Primary CWE: CWE-1275
Sensitive Cookie with Improper SameSite Attribute
Vendor / Product: Kimai / Kimai
Sources: cve.org · NVD

Severity & Metrics

9.8 CRITICAL CVSS 3.1

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

SSVC — CISA Coordinator

Exploitation: PoC
Automatable: yes
Tech. Impact: total

Affected products (1)

Vendor	Product	Platform	Versions
Kimai	Kimai	—	1.30.10

Weakness (CWE)

CWE	Source	Description
CWE-1275	cna	Sensitive Cookie with Improper SameSite Attribute

CVSS scores (2)

Score	Severity	Version	Source	Vector
9.8	CRITICAL	3.1	cna	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
8.5	HIGH	4.0	cna	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

References (3)

ExploitDB-51278 https://www.exploit-db.com/exploits/51278
Official Product Homepage https://github.com/kimai/kimai/releases/tag/1.30.10
VulnCheck Advisory: Kimai 1.30.10 SameSite Cookie Vulnerability Session Hijacking https://www.vulncheck.com/advisories/kimai-samesite-cookie-vulnerability-session-hijacking