VULNERABILITY INTELLIGENCE
CVE-2026-22204
CVSS score3.7 LOW
EPSS probability0.24%
CISA KEVNot currently listed
Published2026-03-13
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
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.
Weakness classification
- disclosure@vulncheck.com: CWE-20
- nvd@nist.gov: NVD-CWE-Other
Primary references
- disclosure@vulncheck.com — Product
- disclosure@vulncheck.com — Product, Release Notes
- disclosure@vulncheck.com — Third Party Advisory