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CVE-2026-73703— Unauthenticated Stored Cross-Site Scripting (XSS) Vulnerability in HPE Networking Fabric Composer Web-Based Management Interface

Quick assessment

Affected
Hewlett Packard Enterprise (HPE) Fabric Composer
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Hewlett Packard Enterprise Fabric Composer是美国Hewlett Packard Enterprise公司的一款网络编排与自动化管理平台。 Hewlett Packard Enterprise Fabric Composer 7.0.0版本至7.3.3版本存在安全漏洞，该漏洞源于基于Web的管理接口存在存储型跨站脚本漏洞，可能导致未经身份验证的相邻攻击者在受害者的浏览器环境中执行任意脚本代码。

CVSS 8.8 · High EPSS 0.34% · P27

Possible ATT&CK Techniques 1 AI

T1059.007 · JavaScript

Affected Version Matrix 1

VendorProduct Version RangeStatus
Hewlett Packard Enterprise (HPE) Fabric Composer 7.0.0≤ 7.3.3 affected
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I. Basic Information for CVE-2026-73703

Vulnerability Information
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Vulnerability Title
Unauthenticated Stored Cross-Site Scripting (XSS) Vulnerability in HPE Networking Fabric Composer Web-Based Management Interface
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the web-based management interface of HPE Networking Fabric Composer could allow an unauthenticated adjacent attacker to conduct a stored cross-site scripting (XSS) attack against a user of the interface. A successful exploit could allow an attacker to execute arbitrary script code in a victim's browser in the context of the affected interface.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Hewlett Packard Enterprise Fabric Composer 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Hewlett Packard Enterprise Fabric Composer是美国Hewlett Packard Enterprise公司的一款网络编排与自动化管理平台。 Hewlett Packard Enterprise Fabric Composer 7.0.0版本至7.3.3版本存在安全漏洞，该漏洞源于基于Web的管理接口存在存储型跨站脚本漏洞，可能导致未经身份验证的相邻攻击者在受害者的浏览器环境中执行任意脚本代码。
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
Hewlett Packard Enterprise (HPE) Fabric Composer 7.0.0 ~ 7.3.3 -

II. Public POCs for CVE-2026-73703

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III. Intelligence Information for CVE-2026-73703

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Same Patch Batch · Hewlett Packard Enterprise (HPE) · 2026-09-01 · 86 CVEs total

CVE-2026-76657 10.0 CRITICAL Authentication Bypass in HPE Networking Fabric Composer API allows Administrative Access
CVE-2026-76658 10.0 CRITICAL Unauthenticated Remote Code Execution in HPE Networking Fabric Composer SSH Daemon
CVE-2026-73749 9.8 CRITICAL Unauthenticated Buffer Overflow Vulnerabilities lead to Remote Code Execution in AOS-CX
CVE-2026-19766 9.6 CRITICAL Authentication Bypass leads to Administrative control of adjacent network hosts in HPE Net
CVE-2026-73700 9.0 CRITICAL Authenticated Stored Cross-Site Scripting Vulnerability (XSS) in HPE Networking Fabric Com
CVE-2026-73701 9.0 CRITICAL Unauthenticated Remote Code Execution in HPE Networking Fabric Composer
CVE-2026-73750 8.8 HIGH Authenticated Buffer Overflow Vulnerabilities in AOS-CX API Endpoint Leads to Possible Cod
CVE-2026-73753 8.8 HIGH Authenticated Remote Command Injection Vulnerabilities in AOS-CX Command Line Interface
CVE-2026-73752 8.8 HIGH Unauthenticated Arbitrary File Write Vulnerability Leads to Remote Code Execution in AOS-C
CVE-2026-73751 8.8 HIGH Authenticated Remote Command Injection in AOS-CX Web-based Management Interface
CVE-2026-73782 8.8 HIGH Unauthenticated Format String Vulnerability leads to Remote Code Execution in AOS-CX
CVE-2026-73705 8.8 HIGH Authenticated Arbitrary File Write leads to Remote Code Execution in HPE Networking Fabric
CVE-2026-73704 8.8 HIGH Authenticated Command Injection Leading to Administrative Access in HPE Networking Fabric
CVE-2026-73702 8.8 HIGH Authenticated Privilege Escalation Vulnerability in the API of HPE Networking Fabric Compo
CVE-2026-73706 8.6 HIGH Authentication Bypass in the API of HPE Networking Fabric Composer allows Data Exposure an
CVE-2026-73707 8.5 HIGH Authenticated Privilege Escalation via Broken Access Control in HPE Networking Fabric Comp
CVE-2026-73781 8.4 HIGH Authenticated Stored Cross-Site Scripting Vulnerability (XSS) in AOS-CX Web-Based Manageme
CVE-2026-73709 8.3 HIGH Unauthenticated Remote Code Execution during HPE Networking Fabric Composer Installation P
CVE-2026-73708 8.3 HIGH Fault in Business Logic allows Authenticated Sensitive Information Disclosure in HPE Netwo
CVE-2026-73780 8.3 HIGH Lack of Cross-Site Request Forgery (CSRF) Protections for Certificate-Authenticated Sessio

Showing top 20 of 86 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Fabric Composer
Same vendor: Hewlett Packard Enterprise (HPE)