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I. Basic Information for CVE-2025-5271
Vulnerability Information
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Vulnerability Title
Devtools' preview ignored CSP headers
Source: NVD (National Vulnerability Database)
Vulnerability Description
Previewing a response in Devtools ignored CSP headers, which could have allowed content injection attacks. This vulnerability was fixed in Firefox 139 and Thunderbird 139.
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 139之前版本存在安全漏洞，该漏洞源于Devtools预览响应时忽略CSP标头，可能导致内容注入攻击。
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
MozillaFirefox 139 ~ * -
MozillaThunderbird 139 ~ * -
II. Public POCs for CVE-2025-5271
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III. Intelligence Information for CVE-2025-5271
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IV. Related Vulnerabilities
Same product: Firefox
Same vendor: Mozilla
V. Comments for CVE-2025-5271

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