Privilege escalation in Nicu_m Simple Jwt Login – Allows You To Use On Rest Endpoints.

CVE-2026-14262

The Simple JWT Login – Allows you to use JWT on REST endpoints. plugin for WordPress is vulnerable to Authentication Bypass to Privilege Escalation in all versions up to, and including, 3.6.6 via the `payload` parameter. The vulnerability…

Vulnerability class: Privilege Escalation

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-14262?
CVE-2026-14262 is a high-severity vulnerability in Nicu_m Simple Jwt Login – Allows You To Use On Rest Endpoints., classified under Improper Privilege Management. CVSS score: 8.8/10. Published 2026-07-11.
How severe is CVE-2026-14262?
High severity. CVSS v3 base score is 8.8 out of 10.