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I. Basic Information for CVE-2021-38509
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
Due to an unusual sequence of attacker-controlled events, a Javascript alert() dialog with arbitrary (although unstyled) contents could be displayed over top an uncontrolled webpage of the attacker's choosing. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.
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 存在安全漏洞，该漏洞源于由于攻击者控制的事件序列不寻常，alert()因此可以在攻击者选择的不受控制的网页上方显示具有任意（尽管没有样式）内容的 Javascript对话框。
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 unspecified ~ 94 -
MozillaThunderbird unspecified ~ 91.3 -
MozillaFirefox ESR unspecified ~ 91.3 -
II. Public POCs for CVE-2021-38509
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III. Intelligence Information for CVE-2021-38509
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IV. Related Vulnerabilities
Same product: Firefox
Same vendor: Mozilla
V. Comments for CVE-2021-38509

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