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CVE-2025-40892— Stored Cross-Site Scripting (XSS) in Reports in Guardian/CMC before 25.5.0

Quick assessment

Affected
Nozomi Networks Guardian
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.

Nozomi Networks Guardian是美国Nozomi Networks公司的一款防护软件。 Nozomi Networks Guardian存在跨站脚本漏洞，该漏洞源于输入参数验证不当，可能导致存储型跨站脚本攻击。

CVSS 8.9 · High EPSS 0.26% · P16

Affected Version Matrix 2

VendorProduct Version RangeStatus
Nozomi Networks CMC < 25.5.0 affected
Nozomi Networks Guardian < 25.5.0 affected
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I. Basic Information for CVE-2025-40892

Vulnerability Information
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Vulnerability Title
Stored Cross-Site Scripting (XSS) in Reports in Guardian/CMC before 25.5.0
Source: CVE Program / CVE List V5
Vulnerability Description
A Stored Cross-Site Scripting vulnerability was discovered in the Reports functionality due to improper validation of an input parameter. An authenticated user with report privileges can define a malicious report containing a JavaScript payload, or a victim can be socially engineered to import a malicious report template. When the victim views or imports the report, the XSS executes in their browser context, allowing the attacker to perform unauthorized actions as the victim, such as modify application data, disrupt application availability, and access limited sensitive information.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:H/A:H
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
Nozomi Networks Guardian 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Nozomi Networks Guardian是美国Nozomi Networks公司的一款防护软件。 Nozomi Networks Guardian存在跨站脚本漏洞，该漏洞源于输入参数验证不当，可能导致存储型跨站脚本攻击。
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
Nozomi Networks Guardian 0 ~ 25.5.0 -
Nozomi Networks CMC 0 ~ 25.5.0 -

II. Public POCs for CVE-2025-40892

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III. Intelligence Information for CVE-2025-40892

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Other References for CVE-2025-40892 (1)

Same Patch Batch · Nozomi Networks · 2025-12-18 · 4 CVEs total

CVE-2025-40898 8.1 HIGH Path traversal in Import Arc data archive functionality in Guardian/CMC before 25.5.0
CVE-2025-40893 6.1 MEDIUM HTML injection in Asset List in Guardian/CMC before 25.5.0
CVE-2025-40891 4.7 MEDIUM HTML injection in in Time Machine functionality in Guardian/CMC before 25.5.0

IV. Related Vulnerabilities

Same product: Guardian
Same vendor: Nozomi Networks
Same weakness: CWE-79

V. Comments for CVE-2025-40892

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