GYM-One vulnerabilities

1 known vulnerability in GYM-One from Mayerbalintdev. 1 is rated high or critical. Each entry lists the affected versions and the release that fixes it, where the vendor has published one.

Latest first

• 8.7 High severity

  GYM-One: Improper Neutralization of Input During Web Page Generation

  CVE-2026-55872Oct 15, 2026Mayerbalintdev

  GYM One is open-source gym management software for fitness centers, personal trainers, and sports clubs. Prior to 1.4.1, GYM One's admin/users/index.php renders the stored firstname, lastname, and email profile fields into the administrator user list without H