CVE Daily

CVE-2025-54597

LinuxServer.io Heimdall before 2.7.3 allows XSS via the q parameter.

High CVSS 7.2

Overview

LinuxServer.io Heimdall before 2.7.3 allows XSS via the q parameter.

CWE: CWE-79 Published: 2025-07-27T03:15:26.453
Risk analysis

This vulnerability is rated 🟠 HIGH.

  • CVSS: 7.2 (HIGH)
  • Detected tags: xss (tag impact: MODERATE)

Recommended actions:

  • Apply context-aware output encoding.
  • Enable Content-Security-Policy and HttpOnly/SameSite cookies.

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