What is CVE-2018-18786?

CVE-2018-18786 is a critical-severity vulnerability in Zzcms, classified under SQL Injection. CVSS score: 9.8/10. Published 2018-10-29.

How severe is CVE-2018-18786?

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

Is CVE-2018-18786 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

SQL Injection in Zzcms

CVE-2018-18786

An issue was discovered in zzcms 8.3. SQL Injection exists in ajax/zs.php via a pxzs cookie.

Vulnerability class: SQL Injection

Published 2018-10-29 · 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 (67.0th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 67.0% 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

Zzcms — versions 8.3

Weakness classification (CWE)

CWE-89 — SQL Injection

Public proof-of-concept exploits

superlink996/chunqiuyunjingbachang

References

github.com/qiubaoyang/CVEs/blob/master/zzcms/zzcms.md (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-18786?: CVE-2018-18786 is a critical-severity vulnerability in Zzcms, classified under SQL Injection. CVSS score: 9.8/10. Published 2018-10-29.
How severe is CVE-2018-18786?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2018-18786 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.