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I. Basic Information for CVE-2025-55164
Vulnerability Information

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Vulnerability Title
content-security-policy-parser Prototype Pollution Vulnerability May Lead to RCE
Source: NVD (National Vulnerability Database)
Vulnerability Description
content-security-policy-parser parses content security policy directives. A prototype pollution vulnerability exists in versions 0.5.0 and earlier, wherein if a policy name is called __proto__, one can override the Object prototype. This issue has been patched in version 0.6.0. A workaround involves disabling prototype method in NodeJS, neutralizing all possible prototype pollution attacks. Provide either --disable-proto=delete (recommended) or --disable-proto=throw as an argument to node to enable this feature.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
CWE-1321
Source: NVD (National Vulnerability Database)
Vulnerability Title
Content Security Policy parser 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Content Security Policy parser是Helmet开源的一个用于解析内容安全策略指令的软件。 Content Security Policy parser 0.5.0及之前版本存在安全漏洞,该漏洞源于原型污染,可能导致对象原型被覆盖。
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
helmetjscontent-security-policy-parser < 0.6.0 -
II. Public POCs for CVE-2025-55164
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III. Intelligence Information for CVE-2025-55164
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