CVE-2025-50579
Nginx Proxy Manager vulnerability analysis and mitigation

A CORS misconfiguration in Nginx Proxy Manager v2.12.3 allows unauthorized domains to access sensitive data, particularly JWT tokens, due to improper validation of the Origin header. This misconfiguration enables attackers to intercept tokens using a simple browser script and exfiltrate them to a remote attacker-controlled server, potentially leading to unauthorized actions within the application.


SourceNVD

Related Nginx Proxy Manager vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2024-46256CRITICAL9.8
  • Nginx Proxy ManagerNginx Proxy Manager
  • cpe:2.3:a:jc21:nginx_proxy_manager
NoYesSep 27, 2024
CVE-2023-27224CRITICAL9.8
  • Nginx Proxy ManagerNginx Proxy Manager
  • cpe:2.3:a:jc21:nginx_proxy_manager
NoYesMar 22, 2023
CVE-2024-39935HIGH8.8
  • Nginx Proxy ManagerNginx Proxy Manager
  • cpe:2.3:a:jc21:nginx_proxy_manager
NoYesJul 04, 2024
CVE-2024-46257MEDIUM6.3
  • Nginx Proxy ManagerNginx Proxy Manager
  • cpe:2.3:a:jc21:nginx_proxy_manager
NoYesSep 27, 2024
CVE-2025-50579MEDIUM5.3
  • Nginx Proxy ManagerNginx Proxy Manager
  • cpe:2.3:a:jc21:nginx_proxy_manager
NoNoAug 19, 2025

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