CVE-2025-54597

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

Published: 2025-07-27 Last update: 2025-08-07 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2025-54597 is rated Moderate Risk (42.6/100): CVSS High severity, with low exploitation likelihood (EPSS 0.54%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2025-54597

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 1.13% 0.54% -0.58%
2 2026-05-31 1.42% 1.13% -0.30%
3 2026-05-27 1.42%

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-54597

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.2 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:L)
Attackers could change some data, but it’s limited—not everything goes.
Availability (A:N)
Service keeps running; no real outage angle.
3.9 2.7 [email protected]
6.1 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:L)
Attackers could change some data, but it’s limited—not everything goes.
Availability (A:N)
Service keeps running; no real outage angle.
2.8 2.7 [email protected]

Weakness enumeration for CVE-2025-54597

OS Trackers for CVE-2025-54597

vendor priority summary link
alpine CVE-2025-54597: 1 source package rows (heimdall); 5 state rows across 3 repos (3.22-community, 3.23-community, edge-community); fixed 0, open 5. https://security.alpinelinux.org/vuln/CVE-2025-54597

Affected software / configurations for CVE-2025-54597

Vendor Product Version Raw CPE
linuxserver heimdall_application_dashboard < 2.7.3 cpe:2.3:a:linuxserver:heimdall_application_dashboard:*:*:*:*:*:*:*:*

References for CVE-2025-54597

cvelogic Threat Intelligence