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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
LinuxServer.io Heimdall before 2.7.3 allows XSS via the q parameter.
- Record
CVE-2025-54597- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2025-22806
LinuxServer.io Heimdall before 2.7.3 allows XSS via the q parameter.
- Record
EUVD-2025-22806- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-3x9c-53jf-h89x
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.
- Record
GHSA-3x9c-53jf-h89x- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
NVD
LinuxServer.io Heimdall before 2.7.3 allows XSS via the q parameter.
- Record
CVE-2025-54597- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N - CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
LinuxServer.io Heimdall before 2.7.3 allows XSS via the q parameter.
- Record
CVE-2025-54597- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Nuclei | Heimdall Application Dashboard < 2.7.3 - Reflected XSS |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, Nuclei, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-54597 is a high vulnerability (CVSS 7.2) in Dadrus Heimdall, published July 27, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.61%, the 49th percentile. No source names a fixed version.