What is CVE-2020-18476?

CVE-2020-18476 is a high-severity vulnerability in Hucart, classified under SQL Injection. CVSS score: 8.8/10. Published 2021-08-26.

How severe is CVE-2020-18476?

High severity. CVSS v3 base score is 8.8 out of 10.

SQL Injection in Hucart

CVE-2020-18476

SQL Injection vulnerability in Hucart CMS 5.7.4 via the basic information field found in the avatar usd_image field.

Vulnerability class: SQL Injection

Published 2021-08-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.009 (57.8th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 57.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Hucart — versions 5.7.4

Weakness classification (CWE)

CWE-89 — SQL Injection

References

github.com/joelister/bug/issues/9 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2020-18476?: CVE-2020-18476 is a high-severity vulnerability in Hucart, classified under SQL Injection. CVSS score: 8.8/10. Published 2021-08-26.
How severe is CVE-2020-18476?: High severity. CVSS v3 base score is 8.8 out of 10.