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CVE-2026-8403— Stored XSS in Exagate's SYSGUARD 6001

Quick assessment

Affected
Eksagate Electronic Engineering and Computer Industry Trade Inc. SYSGUARD 6001
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.

Eksagate Elektronik SYSGUARD 6001是土耳其Eksagate Elektronik公司的一款用于工业与关键基础设施环境的安全监测与告警管理系统。 Eksagate Elektronik SYSGUARD 6001 2.0.2版本至6.1.4.0之前版本存在跨站脚本漏洞，该漏洞源于对网页生成过程中的输入中和不当，可能导致存储型跨站脚本攻击。

CVSS 6.1 · Medium EPSS 0.25% · P16

Affected Version Matrix 1

VendorProduct Version RangeStatus
Eksagate Electronic Engineering and Computer Industry Trade Inc. SYSGUARD 6001 2.0.2< 6.1.4.0 affected
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I. Basic Information for CVE-2026-8403

Vulnerability Information
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Vulnerability Title
Stored XSS in Exagate's SYSGUARD 6001
Source: CVE Program / CVE List V5
Vulnerability Description
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Eksagate Electronic Engineering and Computer Industry Trade Inc. SYSGUARD 6001 allows Stored XSS. This issue affects SYSGUARD 6001: from 2.0.2 before 6.1.4.0.  NOTE: The vendor was contacted and it was learned that the product is not supported.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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
Eksagate Elektronik SYSGUARD 6001 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Eksagate Elektronik SYSGUARD 6001是土耳其Eksagate Elektronik公司的一款用于工业与关键基础设施环境的安全监测与告警管理系统。 Eksagate Elektronik SYSGUARD 6001 2.0.2版本至6.1.4.0之前版本存在跨站脚本漏洞，该漏洞源于对网页生成过程中的输入中和不当，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
Eksagate Electronic Engineering and Computer Industry Trade Inc. SYSGUARD 6001 2.0.2 ~ 6.1.4.0 -

II. Public POCs for CVE-2026-8403

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III. Intelligence Information for CVE-2026-8403

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Vendor Advisories for CVE-2026-8403 (1)

IV. Related Vulnerabilities

Same product: SYSGUARD 6001
Same vendor: Eksagate Electronic Engineering and Computer Industry Trade Inc.
Same weakness: CWE-79

V. Comments for CVE-2026-8403

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