What is CVE-2018-16431?

CVE-2018-16431 is a high-severity vulnerability in Yfcmf, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2018-09-04.

How severe is CVE-2018-16431?

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

Is CVE-2018-16431 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

CSRF in Yfcmf

CVE-2018-16431

admin/admin/adminsave.html in YFCMF v3.0 allows CSRF to add an administrator account.

Vulnerability class: CSRF (Cross-Site Request Forgery)

Published 2018-09-04 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.008 (56.5th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 56.5% 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

Yfcmf — versions 3.0

Weakness classification (CWE)

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

Public proof-of-concept exploits

References

hpdoger.me/2018/08/23/Csrf in YFCMF 3.0/ (URL Repurposed, Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-16431?: CVE-2018-16431 is a high-severity vulnerability in Yfcmf, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2018-09-04.
How severe is CVE-2018-16431?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2018-16431 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.