ghsa-h493-5cp7-m669
Vulnerability from github
Published
2025-08-19 15:31
Modified
2025-08-19 21:30
Severity ?
VLAI Severity ?
Details
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.
{ "affected": [], "aliases": [ "CVE-2025-50579" ], "database_specific": { "cwe_ids": [ "CWE-1259" ], "github_reviewed": false, "github_reviewed_at": null, "nvd_published_at": "2025-08-19T15:15:28Z", "severity": "MODERATE" }, "details": "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.", "id": "GHSA-h493-5cp7-m669", "modified": "2025-08-19T21:30:36Z", "published": "2025-08-19T15:31:29Z", "references": [ { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-50579" }, { "type": "WEB", "url": "https://github.com/NginxProxyManager/nginx-proxy-manager/issues/4509" }, { "type": "WEB", "url": "https://github.com/NginxProxyManager/nginx-proxy-manager" } ], "schema_version": "1.4.0", "severity": [ { "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "type": "CVSS_V3" } ] }
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Sightings
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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