What is CVE-2018-9309?

CVE-2018-9309 is a critical-severity vulnerability in Zzcms, classified under SQL Injection. CVSS score: 9.8/10. Published 2018-04-05.

How severe is CVE-2018-9309?

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

Is CVE-2018-9309 known to be exploited?

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

SQL Injection in Zzcms

CVE-2018-9309

An issue was discovered in zzcms 8.2. It allows SQL injection via the id parameter in a dl/dl_sendsms.php request.

Vulnerability class: SQL Injection

Published 2018-04-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.018 (78.0th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 78.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: -0.000

Affected products

Zzcms — versions 8.2

Weakness classification (CWE)

CWE-89 — SQL Injection

Public proof-of-concept exploits

References

github.com/lihonghuyang/vulnerability/blob/master/dl_sendsms.php.md (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-9309?: CVE-2018-9309 is a critical-severity vulnerability in Zzcms, classified under SQL Injection. CVSS score: 9.8/10. Published 2018-04-05.
How severe is CVE-2018-9309?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2018-9309 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.