How severe is CVE-2025-54597?

CVE-2025-54597 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2025-54597 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-54597?

CVE-2025-54597 affects Linuxserver Heimdall Application Dashboard. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-54597?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-54597 have an EU (EUVD) identifier?

Yes. CVE-2025-54597 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-22806.

When was CVE-2025-54597 published?

CVE-2025-54597 was published on 2025-07-27 and last updated on 2026-06-17.

CVE-2025-54597

CVE-2025-54597 is a high-severity vulnerability in Linuxserver Heimdall Application Dashboard with a CVSS 3.x base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: High (CVSS 3.x base score 7.2)
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-22806
Weakness: CWE-79
Affected product: Linuxserver Heimdall Application Dashboard
Published: 2025-07-27
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2025-54597?: LinuxServer.io Heimdall before 2.7.3 allows XSS via the q parameter.
How severe is CVE-2025-54597?: CVE-2025-54597 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2025-54597 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-54597?: CVE-2025-54597 affects Linuxserver Heimdall Application Dashboard. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-54597?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-54597 have an EU (EUVD) identifier?: Yes. CVE-2025-54597 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-22806.
When was CVE-2025-54597 published?: CVE-2025-54597 was published on 2025-07-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:linuxserver:heimdall_application_dashboard:*:*:*:*:*:*:*:*

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