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TI-2023-30240 Aliases CVE-2023-53957GHSA-cv8h-r7r5-vwj9

Kimai 1.30.10 SameSite Cookie Vulnerability Session Hijacking

Priority HIGH 78CWE-1275Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Active
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
High · High · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub.

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00592 48th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
kimaiKimai1.30.10—No fix listedCNA
—kimai/kimai (Packagist)up to 1.30.10—No fix listedGHSA-cv8h-r7r5-vwj9
  • Kimai Vendorkimai Affected 1.30.10 Fixed in — No fix listed CNA
  • kimai/kimai (Packagist) Vendor— Affected up to 1.30.10 Fixed in — No fix listed GHSA-cv8h-r7r5-vwj9

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:kimai:kimai:1.30.10:*:*:*:*:*:*:*1.30.10Vulnerablekimai
  • cpe:2.3:a:kimai:kimai:1.30.10:*:*:*:*:*:*:* Versions 1.30.10 Vulnerable ·kimai

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-53957
  2. 2026-10-03 Alias added: GHSA-cv8h-r7r5-vwj9

References

Exploit 1

Advisory 1

Other 2

  • TI-2026-22900 Kimai: API invoice endpoint missing customer-level access control (IDOR) CVSS 3.1MEDIUM 6.5
  • TI-2026-30580 Kimai: Formula Injection via tag names in XLSX export CVSS 4.0MEDIUM 5.4
  • TI-2026-29230 Kimai: Stored XSS via Incomplete HTML Attribute Escaping in Team Member Widget CVSS 3.1MEDIUM 5.4
  • TI-2019-15371 Kimai 2- persistent cross-site scripting (XSS) CVSS 4.0MEDIUM 5.1
  • TI-2026-29237 Kimai's User Preferences API allows standard users to modify restricted attributes: hourly_rate, internal_rate CVSS 3.1MEDIUM 4.3
  • TI-2026-30084 Kimai: Team API Missing Object-Level Authorization CVSS 3.1LOW 3.3
See all 13 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences