Mdr

Mdr is a security researcher credited with 12 disclosed vulnerabilities in the WordSec WordPress vulnerability database, ranked #382 of 3,515 contributors. Their disclosures were published between 2025 and 2026. The most productive year was 2025, with 8 findings.

Their research concentrates on Authorization Bypass Through User-Controlled Key, which accounts for 3 of their findings (25%). Other recurring categories include Cross-Site Scripting, Missing Authorization. The average CVSS score across these disclosures is 5.5, peaking at 8.8. Severity breakdown: 0 critical and 1 high.

The most affected software includes Essential Widgets (1), Frontend File Manager Plugin (1), Happy Addons for Elementor (1), across 12 distinct plugins, themes and core versions in total.

All 12 disclosed issues have since received a vendor fix. The most severe finding, "Xpro Elementor Addons <= 1.4.19.1 - Authenticated (Author+) Arbitrary File Upload", scores 8.8 out of 10.