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TI-2025-34368 Aliases CVE-2025-54597GHSA-3x9c-53jf-h89x

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

Priority LOW 39CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

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

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00606 49th percentileScored 2026-11-07
Fix Fixed Heimdall (LinuxServer): 2.7.3

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
LinuxServerHeimdallbefore 2.7.32.7.3Patch availableCNA
  • Heimdall VendorLinuxServer Affected before 2.7.3 Fixed in 2.7.3 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:linuxserver:heimdall_application_dashboard:*:*:*:*:*:*:*:*before 2.7.3VulnerableLinuxServer
  • cpe:2.3:a:linuxserver:heimdall_application_dashboard:*:*:*:*:*:*:*:* Versions before 2.7.3 Vulnerable ·LinuxServer

Remediation

  • Fix · CNA Heimdall (LinuxServer) Fixed in 2.7.3

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-54597
  2. 2026-10-03 Alias added: GHSA-3x9c-53jf-h89x

References

Patch 2

  • TI-2022-23767 Heimdall Application Dashboard through 2.5.4 allows reflected and stored XSS via… CVSS 3.1MEDIUM 5.4

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences