CVE-2026-22204
6.3
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
Summary
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 Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| gVectors | wpDiscuz | 0 < 7.6.47 | affected |
| gVectors | wpDiscuz | 7.6.47 | unaffected |
Weaknesses
- CWE-20: Improper Input Validation
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
- https://wordpress.org/plugins/wpdiscuz/#developers
- https://wordpress.org/plugins/wpdiscuz/
- https://www.vulncheck.com/advisories/wpdiscuz-before-unsanitized-cookie-email-used-as-wp-mail-recipient
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