What is CVE-2018-18427?

CVE-2018-18427 is a critical-severity vulnerability in S-Cms, classified under SQL Injection. CVSS score: 9.8/10. Published 2018-10-17.

How severe is CVE-2018-18427?

Critical severity. CVSS v3 base score is 9.8 out of 10.

SQL Injection in S-Cms

CVE-2018-18427

s-cms 3.0 allows SQL Injection via the member/post.php 0_id parameter or the POST data to member/member_login.php.

Vulnerability class: SQL Injection

Published 2018-10-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.012 (66.7th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 66.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

S-Cms — versions 3.0

Weakness classification (CWE)

CWE-89 — SQL Injection

References

www.s-cms.cn/update.html (Vendor Advisory)
www.ttk7.cn/post-92.html (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-18427?: CVE-2018-18427 is a critical-severity vulnerability in S-Cms, classified under SQL Injection. CVSS score: 9.8/10. Published 2018-10-17.
How severe is CVE-2018-18427?: Critical severity. CVSS v3 base score is 9.8 out of 10.