What is CVE-2018-18892?

CVE-2018-18892 is a critical-severity vulnerability in 1234n Minicms, classified under Code Injection. CVSS score: 9.8/10. Published 2018-11-01.

How severe is CVE-2018-18892?

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

RCE in 1234n Minicms

CVE-2018-18892

MiniCMS 1.10 allows execution of arbitrary PHP code via the install.php sitename parameter, which affects the site_name field in mc_conf.php.

Vulnerability class: RCE (Remote Code Execution)

Published 2018-11-01 · 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: 0.026 (84.6th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 84.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.026 · newest: 0.026 · change: 0.000

Affected products

1234n Minicms — versions 1.10

Weakness classification (CWE)

CWE-94 — Code Injection

References

www.patec.cn/newsshow.php (Exploit, Third Party Advisory)
github.com/AvaterXXX/MiniCms/blob/master/Command Execution.md (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-18892?: CVE-2018-18892 is a critical-severity vulnerability in 1234n Minicms, classified under Code Injection. CVSS score: 9.8/10. Published 2018-11-01.
How severe is CVE-2018-18892?: Critical severity. CVSS v3 base score is 9.8 out of 10.