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I. Basic Information for CVE-2026-3990
Vulnerability Information

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Vulnerability Title
CesiumGS CesiumJS standalone.html cross site scripting
Source: NVD (National Vulnerability Database)
Vulnerability Description
A security flaw has been discovered in CesiumGS CesiumJS up to 1.137.0. Affected by this issue is some unknown functionality of the file Apps/Sandcastle/standalone.html. The manipulation of the argument c results in cross site scripting. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks. The presence of this vulnerability remains uncertain at this time. The vendor was contacted early about this disclosure but did not respond in any way. According to CVE-2023-48094, "the vendor's position is that Apps/Sandcastle/standalone.html is part of the CesiumGS/cesium GitHub repository, but is demo code that is not part of the CesiumJS JavaScript library product."
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
Vulnerability Title
CesiumGS CesiumJS 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
CesiumGS CesiumJS是美国CesiumGS公司的一个创建和展示三维地球及地理空间数据可视化的JavaScript库。 CesiumGS CesiumJS 1.137.0及之前版本存在代码注入漏洞,该漏洞源于对文件Apps/Sandcastle/standalone.html中参数c的错误操作,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
VendorProductAffected VersionsCPESubscribe
CesiumGSCesiumJS 1.137 -
II. Public POCs for CVE-2026-3990
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III. Intelligence Information for CVE-2026-3990
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IV. Related Vulnerabilities
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