What is CVE-2018-20603?

CVE-2018-20603 is a high-severity vulnerability in Lfdycms Lei Feng Tv Cms, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2018-12-30.

How severe is CVE-2018-20603?

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

CSRF in Lfdycms Lei Feng Tv Cms

CVE-2018-20603

Lei Feng TV CMS (aka LFCMS) 3.8.6 allows admin.php?s=/Member/add.html CSRF.

Vulnerability class: CSRF (Cross-Site Request Forgery)

Published 2018-12-30 · 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: 0.005 (42.5th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 42.5% 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

Lfdycms Lei Feng Tv Cms — versions 3.8.6

Weakness classification (CWE)

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

References

github.com/AvaterXXX/CVEs/blob/master/lfdycms.md (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-20603?: CVE-2018-20603 is a high-severity vulnerability in Lfdycms Lei Feng Tv Cms, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2018-12-30.
How severe is CVE-2018-20603?: High severity. CVSS v3 base score is 8.8 out of 10.