What is CVE-2018-18242?

CVE-2018-18242 is a critical-severity vulnerability in Youke365 Youke 365, classified under SQL Injection. CVSS score: 9.8/10. Published 2018-10-11.

How severe is CVE-2018-18242?

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

SQL Injection in Youke365 Youke 365

CVE-2018-18242

youke365 v1.1.5 has SQL injection via admin/login.html, as demonstrated by username=admin&pass=123456&code=9823&act=login&submit=%E7%99%BB+%E9%99%86.

Vulnerability class: SQL Injection

Published 2018-10-11 · 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: 0.011 (65.3th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 65.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Youke365 Youke 365 — versions 1.1.5

Weakness classification (CWE)

CWE-89 — SQL Injection

References

github.com/yanchongchong/swallow/issues/4 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-18242?: CVE-2018-18242 is a critical-severity vulnerability in Youke365 Youke 365, classified under SQL Injection. CVSS score: 9.8/10. Published 2018-10-11.
How severe is CVE-2018-18242?: Critical severity. CVSS v3 base score is 9.8 out of 10.