Auth bypass in Xnau Participants Database

CVE-2026-11354

The Participants Database plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 2.7.8.3 via the 'id' parameter. This makes it possible for unauthenticated attackers to overwrite arbitrar…

Vulnerability class: Broken Access Control

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-11354?
CVE-2026-11354 is a medium-severity vulnerability in Xnau Participants Database, classified under Missing Authorization. CVSS score: 5.3/10. Published 2026-07-24.
How severe is CVE-2026-11354?
Medium severity. CVSS v3 base score is 5.3 out of 10.