What is CVE-2019-16721?

CVE-2019-16721 is a medium-severity vulnerability in 5none Nonecms, classified under Cross-Site Request Forgery (CSRF). CVSS score: 6.5/10. Published 2019-09-23.

How severe is CVE-2019-16721?

Medium severity. CVSS v3 base score is 6.5 out of 10.

CSRF in 5none Nonecms

CVE-2019-16721

NoneCMS v1.3 has CSRF in public/index.php/admin/admin/dele.html, as demonstrated by deleting the admin user.

Vulnerability class: CSRF (Cross-Site Request Forgery)

Published 2019-09-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.005 (42.9th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 42.9% 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

5none Nonecms — versions 1.3.0

Weakness classification (CWE)

CWE-352 — Cross-Site Request Forgery (CSRF)

References

www.iwantacve.cn/index.php/archives/337/ (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2019-16721?: CVE-2019-16721 is a medium-severity vulnerability in 5none Nonecms, classified under Cross-Site Request Forgery (CSRF). CVSS score: 6.5/10. Published 2019-09-23.
How severe is CVE-2019-16721?: Medium severity. CVSS v3 base score is 6.5 out of 10.