What is CVE-2019-15556?

CVE-2019-15556 is a critical-severity vulnerability in Social Network Project, classified under SQL Injection. CVSS score: 9.8/10. Published 2019-08-26.

How severe is CVE-2019-15556?

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

SQL Injection in Social Network Project

CVE-2019-15556

Pvanloon1983 social_network before 2019-07-03 allows SQL injection in includes/form_handlers/register_handler.php.

Vulnerability class: SQL Injection

Published 2019-08-26 · 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: 0.014 (71.7th percentile), scored 2026-10-26.

Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 71.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000

Affected products

Social Network Project

Weakness classification (CWE)

CWE-89 — SQL Injection

References

github.com/Pvanloon1983/social_network/pull/4 (Third Party Advisory)

Frequently asked questions

What is CVE-2019-15556?: CVE-2019-15556 is a critical-severity vulnerability in Social Network Project, classified under SQL Injection. CVSS score: 9.8/10. Published 2019-08-26.
How severe is CVE-2019-15556?: Critical severity. CVSS v3 base score is 9.8 out of 10.