Cross-Site Scripting Vulnerability in Heimdall by LinuxServer.io
CVE-2025-54597

7.2HIGH

Key Information:

Vendor

Linuxserver

Status
Heimdall
Vendor
CVE Published:
27 July 2025

What is CVE-2025-54597?

Heimdall prior to version 2.7.3 is susceptible to a Cross-Site Scripting (XSS) vulnerability, allowing attackers to exploit the 'q' parameter. This could enable malicious scripts to be executed in the context of a user’s browser when accessing affected functions. It is essential for users to upgrade to version 2.7.3 or later to mitigate this risk and enhance web application security. For more information, visit the GitHub commit and the release comparison.

Affected Version(s)

Heimdall 0 < 2.7.3

References

https://github.com/linuxserver/Heimdall/commit/d1a96dd752...
https://github.com/linuxserver/Heimdall/compare/v2.7.2......

CVSS V3.1

Score:
7.2
Severity:
HIGH
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.
CVE-2025-54597 : Cross-Site Scripting Vulnerability in Heimdall by LinuxServer.io