What is CVE-2018-12039?

CVE-2018-12039 is a critical-severity vulnerability in Joyplus-Cms Project, classified under SQL Injection. CVSS score: 9.8/10. Published 2018-06-07.

How severe is CVE-2018-12039?

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

SQL Injection in Joyplus-Cms Project

CVE-2018-12039

joyplus-cms 1.6.0 allows Remote Code Execution because of an Arbitrary SQL command execution issue in manager/index.php involving use of a "/!select/" substring in place of a select substring.

Vulnerability class: SQL Injection

Published 2018-06-07 · 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: 0.047 (91.5th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 91.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.047 · newest: 0.047 · change: 0.000

Affected products

Joyplus-Cms Project — versions 1.6.0

Weakness classification (CWE)

CWE-89 — SQL Injection

References

github.com/joyplus/joyplus-cms/issues/425 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-12039?: CVE-2018-12039 is a critical-severity vulnerability in Joyplus-Cms Project, classified under SQL Injection. CVSS score: 9.8/10. Published 2018-06-07.
How severe is CVE-2018-12039?: Critical severity. CVSS v3 base score is 9.8 out of 10.