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CVE-2025-54597

Quick assessment

Affected
LinuxServer Heimdall
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Heimdall是LinuxServer.io开源的一个应用程序面板和启动器。 Heimdall 2.7.3之前版本存在跨站脚本漏洞，该漏洞源于q参数未清理，可能导致跨站脚本攻击。

CVSS 7.2 · High EPSS 0.56% · P45

Public Exploits 1

Nuclei · 1 CVE-2025-54597.yaml [template]

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise
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I. Basic Information for CVE-2025-54597

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
LinuxServer.io Heimdall before 2.7.3 allows XSS via the q parameter.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
Heimdall 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Heimdall是LinuxServer.io开源的一个应用程序面板和启动器。 Heimdall 2.7.3之前版本存在跨站脚本漏洞，该漏洞源于q参数未清理，可能导致跨站脚本攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
LinuxServer Heimdall 0 ~ 2.7.3 -

II. Public POCs for CVE-2025-54597

# POC Description Source Link Shenlong Link
1 LinuxServer.io Heimdall < 2.7.3 contains a stored XSS caused by improper sanitization of the \"q\" parameter, letting remote attackers execute scripts, exploit requires crafted input. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-54597.yaml POC Details
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III. Intelligence Information for CVE-2025-54597

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IV. Related Vulnerabilities

Same product: Heimdall
Same vendor: LinuxServer
Same weakness: CWE-79

V. Comments for CVE-2025-54597

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