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I. Basic Information for CVE-2021-4140
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
It was possible to construct specific XSLT markup that would be able to bypass an iframe sandbox. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Mozilla Firefox 安全特征问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mozilla Firefox是美国Mozilla基金会的一款开源Web浏览器。 Mozilla Firefox 中存在安全特征问题漏洞，该漏洞是由于处理 XSLT 标记时 iframe 沙盒实现中的错误而存在的。远程攻击者可以绕过 iframe 沙箱并在任意窗口的上下文中执行任意 JavaScript 代码。该漏洞允许远程攻击者绕过已实施的安全限制。
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
MozillaFirefox ESR unspecified ~ 91.5 -
MozillaFirefox unspecified ~ 96 -
MozillaThunderbird unspecified ~ 91.5 -
II. Public POCs for CVE-2021-4140
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III. Intelligence Information for CVE-2021-4140
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IV. Related Vulnerabilities
Same product: Firefox ESR
Same vendor: Mozilla
V. Comments for CVE-2021-4140

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