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I. Basic Information for CVE-2026-22204
Vulnerability Information

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Vulnerability Title
wpDiscuz before 7.6.47 - Unsanitized Cookie Email Used as wp_mail() Recipient
Source: NVD (National Vulnerability Database)
Vulnerability Description
wpDiscuz before 7.6.47 contains an email header injection vulnerability that allows attackers to manipulate mail recipients by injecting malicious data into the comment_author_email cookie. Attackers can craft a malicious cookie value that, when processed through urldecode() and passed to wp_mail() functions, enables header injection to alter email recipients or inject additional headers.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
输入验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
WordPress plugin wpDiscuz 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台具有在基于PHP和MySQL的服务器上架设个人博客网站的功能。WordPress plugin是一个应用插件。 WordPress plugin wpDiscuz 7.6.47之前版本存在输入验证错误漏洞,该漏洞源于电子邮件标头注入,可能导致操纵邮件收件人。
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
gVectorswpDiscuz 0 ~ 7.6.47 -
II. Public POCs for CVE-2026-22204
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III. Intelligence Information for CVE-2026-22204
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IV. Related Vulnerabilities
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