John Umoru

John Umoru is a security researcher credited with 5 disclosed vulnerabilities in the WordSec WordPress vulnerability database, ranked #869 of 3,823 contributors. The disclosure was published in 2026.

Their research concentrates on Client-Side Enforcement Of Server-Side Security, which accounts for 1 of their findings (20%). Other recurring categories include Cross-Site Scripting, Exposure Of Sensitive Information To An Unauthorized Actor. The average CVSS score across these disclosures is 5.3, peaking at 6.1.

The most affected software includes Business Directory Plugin (1), Really Simple Security (1), Tutor LMS (1), across 5 distinct plugins, themes and core versions in total.

All 5 disclosed issues have since received a vendor fix.

2026

Critical

High

Medium

Low

Global Rank

#869

of 3,823 researchers

Vulns

Critical0

High0

Medium5

Low0

Affected Assets

5plugins

Avg CVSS

5.3

Average score of vulnerabilities

Researcher Submissions

5 records


2026-07-02 00:00	Tutor LMS <= 3.9.13 - Authenticated (Subscriber+) Information Exposure Tutor LMS <= 3.9.13	`CVE-2026-14306`	4.3 Medium	John Umoru	Yes
2026-06-29 00:00	Business Directory Plugin – Easy Listing Directories for WordPress <= 6.4.23 - Missing Authorization Business Directory Plugin <= 6.4.23	`CVE-2026-57339`	5.3 Medium	John Umoru	Yes
2026-06-12 00:00	Really Simple Security <= 9.5.10.0 - Two Factor Authentication Bypass Really Simple Security <= 9.5.10.0	`CVE-2026-8293`	5.3 Medium	John Umoru	Yes
2026-06-11 00:00	User Registration & Membership <= 5.1.0 - Unauthenticated Payment Bypass User Registration & Membership <= 5.1.0	`CVE-2026-11965`	5.3 Medium	John Umoru	Yes
2026-05-27 00:00	weMail <= 2.1.2 - Reflected Cross-Site Scripting weMail <= 2.1.2	`CVE-2026-8089`	6.1 Medium	John Umoru	Yes

Showing 1–5 of 5 reports