SQL Injection in Participants Database

CVE-2026-13596

The Participants Database WordPress plugin before 2.7.8.4 does not properly sanitize and escape a user-supplied parameter before using it in a SQL query, allowing unauthenticated attackers to perform SQL injection attacks.

Vulnerability class: SQL Injection

EPSS: 0.003 (18.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

  • Unknown Participants Database — versions 0

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-13596?
CVE-2026-13596 is a critical-severity vulnerability in Participants Database, classified under SQL Injection. CVSS score: 9.1/10. Published 2026-08-01.
How severe is CVE-2026-13596?
Critical severity. CVSS v3 base score is 9.1 out of 10.