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I. Basic Information for CVE-2021-25033
Vulnerability Information
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Vulnerability Title
Noptin < 1.6.5 - Open Redirect
Source: NVD (National Vulnerability Database)
Vulnerability Description
The WordPress Newsletter Plugin WordPress plugin before 1.6.5 does not validate the to parameter before redirecting the user to its given value, leading to an open redirect issue
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
指向未可信站点的URL重定向(开放重定向)
Source: NVD (National Vulnerability Database)
Vulnerability Title
WordPress 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress是WordPress（Wordpress）基金会的一套使用PHP语言开发的博客平台。该平台支持在PHP和MySQL的服务器上架设个人博客网站。 WordPress Plugin Newsletter 存在输入验证错误漏洞，该漏洞源于1.6.5之前的WordPress插件在将用户重定向到给定值之前不验证to参数，导致打开重定向问题。
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
UnknownWordPress Newsletter Plugin – Noptin 1.6.5 ~ 1.6.5 -
II. Public POCs for CVE-2021-25033
#POC DescriptionSource LinkShenlong Link
1Noptin < 1.6.5 is susceptible to an open redirect vulnerability. The plugin does not validate the "to" parameter before redirecting the user to its given value, leading to an open redirect issue.https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-25033.yamlPOC Details
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III. Intelligence Information for CVE-2021-25033
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IV. Related Vulnerabilities
Same vendor: Unknown
Same weakness: CWE-601
V. Comments for CVE-2021-25033

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