CVE-2026-22204
Low · 3.7CVSS
3.7
EPSS
0.2%
Published
Mar 13, 2026
CISA due date
—
The record
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.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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