CVE-2026-22204
MEDIUM WAF: Medium
CVSS 5.3
Published: 2026-03-13
CWE-20
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.
WAF Coverage Analysis
Improper Input Validation
Medium WAF Coverage
OWASP: A03:2021 Injection
920xxx - Protocol Enforcement 941xxx - XSS / XXE 942xxx - SQL Injection
Affected Software
| Vendor | Product | Version |
|---|---|---|
| gvectors | wpdiscuz | up to 7.6.47 |
References
- wordpress.org (Product)
- wordpress.org (Product, Release Notes)
- www.vulncheck.com (Third Party Advisory)