CVEvulnerability

CVE-2025-50579

5.3 MEDIUM Published 2025-08-19 Modified 2026-06-17 Official page ↗
Status
Analyzed
Published
2025-08-19
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
5.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weaknesses
CWE-1259

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.

Affected configurations

• jc21 nginx proxy manager 2.12.3

Related

Weakness · CWE (1)

  • CWE-1259 Improper Restriction of Security Token Assignment weakness

References