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

CVE-2025-54597

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

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

HIGH · CVSS 7.2 EPSS 0.01126
Act now
  • Public exploit or PoC is available
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
▤

Affected Products & Versions

1
linuxserver heimdall application dashboard< 2.7.3
⚠

Public Exploits & PoCs

1
nucleiHeimdall Application Dashboard < 2.7.3 - Reflected XSSmedium
▣

Scoring & Timeline

7.2
HIGH · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD27 Jul 2025 · 03:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/linuxserver/Heimdall/commit/d1a96dd752ba30dc56380400dd2587d8abb8e9d1Patch
https://github.com/linuxserver/Heimdall/compare/v2.7.2...v2.7.3Patch
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