What is CVE-2026-22204?

CVE-2026-22204 is a low-severity vulnerability in Gvectors Wpdiscuz, classified under Improper Input Validation. CVSS score: 3.7/10. Published 2026-03-13.

How severe is CVE-2026-22204?

Low severity. CVSS v3 base score is 3.7 out of 10.

Improper input validation in Gvectors Wpdiscuz

CVE-2026-22204

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…

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.001 (19.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Gvectors Wpdiscuz — versions 0, 7.6.47

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

wpDiscuz Changelog (patch)
wpDiscuz (product)
VulnCheck Advisory: wpDiscuz before 7.6.47 - Unsanitized Cookie Email Used as wp_mail() Recipient (third-party-advisory)

Frequently asked questions

What is CVE-2026-22204?: CVE-2026-22204 is a low-severity vulnerability in Gvectors Wpdiscuz, classified under Improper Input Validation. CVSS score: 3.7/10. Published 2026-03-13.
How severe is CVE-2026-22204?: Low severity. CVSS v3 base score is 3.7 out of 10.