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.
Metrics
Affected Vendors & Products
References
History
Thu, 21 Aug 2025 13:00:00 +0000
Type | Values Removed | Values Added |
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First Time appeared |
Nginxproxymanager
Nginxproxymanager nginx Proxy Manager |
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Vendors & Products |
Nginxproxymanager
Nginxproxymanager nginx Proxy Manager |
Tue, 19 Aug 2025 20:15:00 +0000
Type | Values Removed | Values Added |
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Weaknesses | CWE-1259 | |
Metrics |
cvssV3_1
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Tue, 19 Aug 2025 14:30:00 +0000
Type | Values Removed | Values Added |
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Description | 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. | |
References |
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Status: PUBLISHED
Assigner: mitre
Published: 2025-08-19T00:00:00.000Z
Updated: 2025-08-19T19:49:10.338Z
Reserved: 2025-06-16T00:00:00.000Z
Link: CVE-2025-50579

Updated: 2025-08-19T19:49:03.906Z

Status : Awaiting Analysis
Published: 2025-08-19T15:15:28.160
Modified: 2025-08-20T14:40:17.713
Link: CVE-2025-50579

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