CVE-2026-22204

LOW

3.7

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.

CVE Details

CVSS v3.1 Score3.7

SeverityLOW

CVSS VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

Attack VectorNETWORK

ComplexityHIGH

Privileges RequiredNONE

User InteractionNONE

Published3/13/2026

Last Modified3/17/2026

Sourcenvd

Honeypot Sightings0

Affected Products

gvectors:wpdiscuz

Weaknesses (CWE)

CWE-20

References

https://wordpress.org/plugins/wpdiscuz/(disclosure@vulncheck.com)

https://wordpress.org/plugins/wpdiscuz/#developers(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/wpdiscuz-before-unsanitized-cookie-email-used-as-wp-mail-recipient(disclosure@vulncheck.com)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.