What is CVE-2023-46400?

CVE-2023-46400 is a critical-severity vulnerability in Kwhotel, classified under Improper Neutralization of Formula Elements in a CSV File. CVSS score: 9.8/10. Published 2025-01-23.

How severe is CVE-2023-46400?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Kwhotel

CVE-2023-46400

KWHotel 0.47 is vulnerable to CSV Formula Injection in the add guest function.

Published 2025-01-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (28.8th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 28.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Kwhotel — versions 0.47

Weakness classification (CWE)

CWE-1236 — Improper Neutralization of Formula Elements in a CSV File

References

gist.github.com/6en6ar/5d39374d6ced8acbe489e0b1b932d056 (Third Party Advisory)

Frequently asked questions

What is CVE-2023-46400?: CVE-2023-46400 is a critical-severity vulnerability in Kwhotel, classified under Improper Neutralization of Formula Elements in a CSV File. CVSS score: 9.8/10. Published 2025-01-23.
How severe is CVE-2023-46400?: Critical severity. CVSS v3 base score is 9.8 out of 10.