What is CVE-2019-16184?

CVE-2019-16184 is a critical-severity vulnerability in Limesurvey, classified under Improper Neutralization of Formula Elements in a CSV File. CVSS score: 9.8/10. Published 2019-09-09.

How severe is CVE-2019-16184?

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

Vulnerability in Limesurvey

CVE-2019-16184

A CSV injection vulnerability was found in Limesurvey before 3.17.14 that allows survey participants to inject commands via their survey responses that will be included in the export CSV file.

Published 2019-09-09 · 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: 0.017 (76.4th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 76.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000

Affected products

Limesurvey

Weakness classification (CWE)

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

References

www.limesurvey.org/limesurvey-updates/2188-limesurvey-3-17-14-build-190902-rele… (Release Notes, Vendor Advisory)
github.com/LimeSurvey/LimeSurvey/commit/5870fd1037058bc4e43cccf893b576c72293371e (Patch, Third Party Advisory, Release Notes)

Frequently asked questions

What is CVE-2019-16184?: CVE-2019-16184 is a critical-severity vulnerability in Limesurvey, classified under Improper Neutralization of Formula Elements in a CSV File. CVSS score: 9.8/10. Published 2019-09-09.
How severe is CVE-2019-16184?: Critical severity. CVSS v3 base score is 9.8 out of 10.