CVE-2025-50579
mediumpriority · track · 0EPSS 0.004 · 32 %ileEURUUSEPSS · scored 2026-10-26
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (3)
Products and version ranges known to be affected.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (8)
External citations — patches, advisories, analysis.
- https://github.com/NginxProxyManager/nginx-proxy-managercnnvd
- https://github.com/NginxProxyManager/nginx-proxy-manager/issues/4509cnnvd
- https://github.com/NginxProxyManager/nginx-proxy-manager/releasesPatchcnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2025-50579cnnvd
- https://github.com/NginxProxyManager/nginx-proxy-managerenisa_euvd
- https://github.com/NginxProxyManager/nginx-proxy-manager/issues/4509enisa_euvd
- https://github.com/NginxProxyManager/nginx-proxy-managerProductnvd
- https://github.com/NginxProxyManager/nginx-proxy-manager/issues/4509Issue TrackingVendor Advisorynvd
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