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.

INFO

Published Date :

2026-03-13T01:18:11.931Z

Last Modified :

2026-03-13T16:07:30.506Z

Source :

VulnCheck
AFFECTED PRODUCTS

The following products are affected by CVE-2026-22204 vulnerability.

Vendors Products
Gvectors
  • Wpdiscuz
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-22204.

URL Resource
https://wordpress.org/plugins/wpdiscuz/ cve-icon cve-icon
https://wordpress.org/plugins/wpdiscuz/#developers cve-icon cve-icon
https://www.vulncheck.com/advisories/wpdiscuz-before-unsanitized-cookie-email-used-as-wp-mail-recipient cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact