What is CVE-2023-3493?

CVE-2023-3493 is a high-severity vulnerability in Fossbilling, classified under Improper Neutralization of Formula Elements in a CSV File. CVSS score: 8.0/10. Published 2023-06-30.

How severe is CVE-2023-3493?

High severity. CVSS v3 base score is 8.0 out of 10.

Vulnerability in Fossbilling

CVE-2023-3493

Improper Neutralization of Formula Elements in a CSV File in GitHub repository fossbilling/fossbilling prior to 0.5.3.

Published 2023-06-30 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (42.3th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 42.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Fossbilling
Fossbilling Fossbilling/fossbilling — versions unspecified

Weakness classification (CWE)

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

References

huntr.dev/bounties/e9a272ca-b050-441d-a8cb-4fdecb76ccce (Patch, Third Party Advisory)
github.com/fossbilling/fossbilling/commit/9402d6c4d44b77ccd68d98d1e6cedf782bd91… (Patch)

Frequently asked questions

What is CVE-2023-3493?: CVE-2023-3493 is a high-severity vulnerability in Fossbilling, classified under Improper Neutralization of Formula Elements in a CSV File. CVSS score: 8.0/10. Published 2023-06-30.
How severe is CVE-2023-3493?: High severity. CVSS v3 base score is 8.0 out of 10.