Auth bypass in Notiqoo
CVE-2026-19840
The Notiqoo WordPress plugin before 1.4.14 does not have capability checks on several of its AJAX actions and builds the name of the option to write from user input, allowing users with a role as low as contributor to modify arbitrary WordPress options, which can be used to deactivate Notiqoo WordPress plugin before 1.4.14 and to lock every administrator out of the site.
Vulnerability class: Broken Access Control
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H.
Affected products
- Unknown Notiqoo
Weakness classification (CWE)
References
- contact@wpscan.com (technical-description, exploit, vdb-entry)
Frequently asked questions
- What is CVE-2026-19840?
- CVE-2026-19840 is a medium-severity vulnerability in Notiqoo, classified under Incorrect Authorization. CVSS score: 6.5/10. Published 2026-09-10.
- How severe is CVE-2026-19840?
- Medium severity. CVSS v3 base score is 6.5 out of 10.