What is CVE-2018-21003?

CVE-2018-21003 is a critical-severity vulnerability in Themekraft Buddyforms, classified under SQL Injection. CVSS score: 9.8/10. Published 2019-08-27.

How severe is CVE-2018-21003?

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

Is CVE-2018-21003 known to be exploited?

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

SQL Injection in Themekraft Buddyforms

CVE-2018-21003

The buddyforms plugin before 2.2.8 for WordPress has SQL injection.

Vulnerability class: SQL Injection

Published 2019-08-27 · 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: 0.018 (78.0th percentile), scored 2026-09-29.

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

Themekraft Buddyforms

Weakness classification (CWE)

CWE-89 — SQL Injection

Public proof-of-concept exploits

20142995/nuclei-templates

References

wordpress.org/plugins/buddyforms/ (Release Notes)
wpvulndb.com/vulnerabilities/9829 (Broken Link)

Frequently asked questions

What is CVE-2018-21003?: CVE-2018-21003 is a critical-severity vulnerability in Themekraft Buddyforms, classified under SQL Injection. CVSS score: 9.8/10. Published 2019-08-27.
How severe is CVE-2018-21003?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2018-21003 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.