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CVE-2026-22204— wpDiscuz before 7.6.47 - Unsanitized Cookie Email Used as wp_mail() Recipient

CVSS 3.7 · Low EPSS 0.05% · P16
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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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Same Patch Batch · gVectors · 2026-03-13 · 11 CVEs total

CVE-2026-221938.1 HIGHwpDiscuz before 7.6.47 - SQL Injection in getAllSubscriptions()
CVE-2026-222028.1 HIGHwpDiscuz before 7.6.47 - Destructive GET Action Deletes All Comments by Email
CVE-2026-221827.5 HIGHwpDiscuz before 7.6.47 - Unauthenticated Email Notification Flood via wpdCheckNotification
CVE-2026-222166.5 MEDIUMwpDiscuz before 7.6.47 - No Rate Limiting on Subscription Endpoints with LIKE Wildcard Byp
CVE-2026-221836.1 MEDIUMwpDiscuz before 7.6.47 - Stored Cross-Site Scripting in Inline Comment Preview
CVE-2026-222095.5 MEDIUMwpDiscuz before 7.6.47 - Cross-Site Scripting via Unescaped Custom CSS in Style Tag
CVE-2026-222015.3 MEDIUMwpDiscuz before 7.6.47 - IP Address Spoofing in getIP()
CVE-2026-222034.9 MEDIUMwpDiscuz before 7.6.47 - Options Export Leaks OAuth Secrets in Plaintext
CVE-2026-222104.4 MEDIUMwpDiscuz before 7.6.47 - Cross-Site Scripting via Unescaped Attachment URLs
CVE-2026-222154.3 MEDIUMwpDiscuz before 7.6.47 - Missing CSRF Protection on wpdGetFollowsPage

IV. Related Vulnerabilities

Same product: wpDiscuz
Same vendor: gVectors
Same weakness: CWE-20

V. Comments for CVE-2026-22204

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