CVE-2026-22204
Low
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.
SeverityLow
CVSS3.7
Exploit probability—
ProductGvectors Wpdiscuz
PublishedMar 13, 2026
First seenMar 13, 2026
Weakness typeCWE-20Improper input validation
How to fix
Update
- gvectors wpdiscuz7.6.47 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| gvectors wpdiscuz | v < 7.6.47 | 7.6.47 |
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