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CVE-2026-66300— SNOMED International Snowstorm reflected XSS

CVSS 5.0 · Medium EPSS 0.18% · P8

Affected Version Matrix 3

VendorProductVersion RangeStatus
SNOMED InternationalSnowstorm7.0.0< 10.12.2affected
10.12.2unaffected
10.9.3unaffected
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I. Basic Information for CVE-2026-66300

Vulnerability Information
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Vulnerability Title
SNOMED International Snowstorm reflected XSS
Source: CVE Program / CVE List V5
Vulnerability Description
SNOMED International Snowstorm contains a reflected XSS vulnerability within the "Web Route" redirection functionality. An attacker can inject arbitrary JavaScript which will execute upon a target user navigating to a crafted, malicious link. Fixed in 10.12.2 and 10.9.3.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
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
SNOMED International Snowstorm 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SNOMED International Snowstorm是SNOMED International组织的一款面向威胁情报与网络领域的术语服务产品。 SNOMED International Snowstorm 10.12.2之前版本和10.9.3之前版本存在跨站脚本漏洞，该漏洞源于Web Route重定向功能存在反射型跨站脚本漏洞，可能导致攻击者注入任意JavaScript在目标用户访问特制恶意链接时执行。
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

VendorProductAffected VersionsCPESubscribe
SNOMED InternationalSnowstorm 7.0.0 ~ 10.12.2 -

II. Public POCs for CVE-2026-66300

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III. Intelligence Information for CVE-2026-66300

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Patches & Fixes for CVE-2026-66300 (2)

Vendor Advisories for CVE-2026-66300 (2)

IV. Related Vulnerabilities

Same weakness: CWE-79

V. Comments for CVE-2026-66300

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