CVE-2023-53957
Kimai 1.30.10 SameSite Cookie Vulnerability Session Hijacking
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 profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Active
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
8.5
Kimai 1.30.10 SameSite Cookie Vulnerability Session Hijacking
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.
- Record
CVE-2023-53957- CVSS 4.0
- 8.5 High
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 - CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-1275
- Updated
- 2026-11-02
EUVDEUVD-2025-204601
8.5
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.
- Record
EUVD-2025-204601- CVSS 4.0
- 8.5 High
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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-cv8h-r7r5-vwj9
8.5
Kimai contains a SameSite cookie vulnerability
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.
- Record
GHSA-cv8h-r7r5-vwj9- CVSS 4.0
- 8.5 High
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 - CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-1275
- Updated
- 2026-11-02
NVD
8.5
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.
- Record
CVE-2023-53957- CVSS 4.0
- 8.5 High
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-1275
- Updated
- 2026-11-02
OSV
8.5
Kimai 1.30.10 SameSite Cookie Vulnerability Session Hijacking
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.
- Record
CVE-2023-53957- CVSS 4.0
- 8.5 High
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 - Weakness
- CWE-1275
- Updated
- 2026-11-02
OSVGHSA-cv8h-r7r5-vwj9
8.5
Kimai contains a SameSite cookie vulnerability
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.
- Record
GHSA-cv8h-r7r5-vwj9- CVSS 4.0
- 8.5 High
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 - CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-1275
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
kimai/kimaiPackagist |
through 1.30.10 | None known |
kimai/kimaiPackagist |
through 1.30.10, plus listed versions 0.10.20.30.40.5 Show 45 moreShow less0.60.6.10.70.80.8.10.91.01.0.11.11.101.10.11.10.21.111.11.11.121.131.141.14.11.14.21.14.31.151.15.11.15.21.15.31.15.41.15.51.15.61.161.16.11.16.101.16.21.16.31.16.41.16.51.16.61.16.71.16.81.16.91.171.17.11.181.18.11.18.21.191.19.1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-53957 is a high vulnerability (CVSS 8.5) in Kimai, published December 19, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.59%, the 48th percentile. No source names a fixed version.
References
exploit-db.com/exploits/51278
github.com/kimai/kimai/releases/tag/1.30.10
vulncheck.com/advisories/kimai-samesite-cookie-vulnerability-session-hijacking
nvd.nist.gov/vuln/detail/CVE-2023-53957
github.com/advisories/GHSA-cv8h-r7r5-vwj9
github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53957.json
github.com/kimai/kimai
Left out here: 46 versions. The JSON record has them.