What is CVE-2023-4006?

CVE-2023-4006 is a critical-severity vulnerability in Phpmyfaq, classified under Improper Neutralization of Formula Elements in a CSV File. CVSS score: 9.8/10. Published 2023-07-31.

How severe is CVE-2023-4006?

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

Vulnerability in Phpmyfaq

CVE-2023-4006

Improper Neutralization of Formula Elements in a CSV File in GitHub repository thorsten/phpmyfaq prior to 3.1.16.

Published 2023-07-31 · 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: 0.008 (55.2th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 55.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Phpmyfaq
Thorsten Thorsten/phpmyfaq — versions unspecified

Weakness classification (CWE)

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

References

huntr.dev/bounties/36149a42-cbd5-445e-a371-e351c899b189 (Permissions Required)
github.com/thorsten/phpmyfaq/commit/03946eca488724251eaed8d9d36fed92e6d8fd22 (Patch)

Frequently asked questions

What is CVE-2023-4006?: CVE-2023-4006 is a critical-severity vulnerability in Phpmyfaq, classified under Improper Neutralization of Formula Elements in a CSV File. CVSS score: 9.8/10. Published 2023-07-31.
How severe is CVE-2023-4006?: Critical severity. CVSS v3 base score is 9.8 out of 10.