What is CVE-2018-19559?

CVE-2018-19559 is a critical-severity vulnerability in Cuppacms, classified under SQL Injection. CVSS score: 9.8/10. Published 2018-11-26.

How severe is CVE-2018-19559?

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

SQL Injection in Cuppacms

CVE-2018-19559

CuppaCMS before 2018-11-12 has SQL Injection in administrator/classes/ajax/functions.php via the reference_id parameter.

Vulnerability class: SQL Injection

Published 2018-11-26 · 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: 0.010 (62.6th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 62.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Cuppacms

Weakness classification (CWE)

CWE-89 — SQL Injection

References

github.com/CuppaCMS/CuppaCMS/issues/5 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2018-19559?: CVE-2018-19559 is a critical-severity vulnerability in Cuppacms, classified under SQL Injection. CVSS score: 9.8/10. Published 2018-11-26.
How severe is CVE-2018-19559?: Critical severity. CVSS v3 base score is 9.8 out of 10.