CVE-2025-54597

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

Affected

LinuxServer · Heimdall

CVSS v3.1 NVD

6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CVSS v3.1 MITRE

7.2 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

EPSS

0.59% chance of exploitation in the next 30 days, 47th percentile

Nuclei

medium · CWE-79

Published

2025-07-27

Updated

2025-07-28

Nuclei templates (1)

• projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-54597.yaml

Security advisories

• linuxserver/Heimdall/compare/v2.7.2...v2.7.3

References

• CVE Record
• NVD entry