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I. Basic Information for CVE-2021-24857
Vulnerability Information

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Vulnerability Title
ToTop Link <= 1.7.1 - Unauthenticated PHP Object Injection
Source: NVD (National Vulnerability Database)
Vulnerability Description
The ToTop Link WordPress plugin through 1.7.1 passes base64 encoded user input to the unserialize() PHP function, which could lead to PHP Object injection if a plugin installed on the blog has a suitable gadget chain.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
可信数据的反序列化
Source: NVD (National Vulnerability Database)
Vulnerability Title
WordPress 插件代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress 插件是WordPress开源的一个应用插件。 WordPress Plugins ToTop Link 存在代码问题漏洞,该漏洞源于通过1.7.1的ToTop Link WordPress插件将base64编码的用户输入传递给unserialize() PHP函数,如果安装在博客上的插件有合适的小工具链,这可能会导致PHP对象注入。
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
UnknownToTop Link 1.7.1 ~ 1.7.1 -
II. Public POCs for CVE-2021-24857
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III. Intelligence Information for CVE-2021-24857
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IV. Related Vulnerabilities
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