Alex Thomas

Alex Thomas is a security researcher credited with 79 disclosed vulnerabilities in the WordSec WordPress vulnerability database, ranked #87 of 3,515 contributors. Their disclosures were published between 2023 and 2026. The most productive year was 2023, with 64 findings.

Their research concentrates on Cross-Site Scripting, which accounts for 33 of their findings (42%). Other recurring categories include Missing Authorization, Cross-Site Request Forgery (CSRF). The average CVSS score across these disclosures is 6.0, peaking at 9.8. Severity breakdown: 2 critical and 21 high.

The most affected software includes Interactive Contact Form and Multi… (8), Shopping Cart & eCommerce Store (7), BadgeOS (4), across 53 distinct plugins, themes and core versions in total.

70 of the 79 disclosed issues have a vendor fix, while 9 remain unpatched. The most severe finding, "WPMU DEV Dashboard <= 5.0.1 - Authentication Bypass to Administrator via SSO HMAC Canonicalization Confusion", scores 9.8 out of 10.

2023202420252026
Critical
High
Medium
Low
Global Rank

#87

of 3,515 researchers

Vulns

79

Critical2
High21
Medium55
Low1
Affected Assets

54

52plugins2themes
Avg CVSS

6.0

Average score of vulnerabilities

Researcher Submissions

79 records
2026-09-01 01:18CVE-2026-19513
8.1
High
Alex ThomasYes
2026-08-27 17:38CVE-2026-76581
9.8
Critical
Alex ThomasYes
2026-08-25 17:44CVE-2026-18431
9.8
Critical
Alex ThomasYes
2026-04-07 17:38CVE-2025-1794
5.4
Medium
Alex ThomasNo
2025-11-26 00:01CVE-2025-9191
6.3
Medium
Alex ThomasYes
2025-11-26 00:01CVE-2025-9163
6.1
Medium
Alex ThomasYes
2025-11-04 14:21CVE-2025-8871
5.6
Medium
Alex ThomasYes
2025-07-03 19:04CVE-2025-6673
6.4
Medium
Alex ThomasYes
2024-08-16 00:00CVE-2023-4025
5.3
Medium
Alex ThomasYes
2024-08-16 00:00CVE-2023-4024
5.3
Medium
Alex ThomasYes
Showing 1–10 of 79 reports

Vulnerability data © Defiant, Inc., provided under the Wordfence Intelligence T&C