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    CVE-2025-50579

    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.

    Published:Aug 19, 2025
    Last Modified:Sep 24, 2025
    EPS:Aug 19, 2025
    EPSS Score:0.00047
    CVSS Score:5.3

    Affected Products

    Vendor
    Jc21
    Product
    Nginx Proxy Manager
    Vendor
    Nginxproxymanager
    Product
    Nginx Proxy Manager

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2024-39935 (CVSS 8.8) — jc21 NGINX Proxy Manager before 2.11.3 allows backend/internal/certificate.js OS command injection by an authe…
    CVE-2023-27224 (CVSS 9.8) — An issue found in NginxProxyManager v.2.9.19 allows an attacker to execute arbitrary code via a lua script to …
    CVE-2023-23596 (CVSS 8.8) — jc21 NGINX Proxy Manager through 2.9.19 allows OS command injection. When creating an access list, the backend…
    CVE-2019-15517 (CVSS 5.5) — jc21 Nginx Proxy Manager before 2.0.13 allows %2e%2e%2f directory traversal.…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High