What is CVE-2026-22216?

CVE-2026-22216 is a medium-severity vulnerability in Gvectors Wpdiscuz, classified under CWE-799. CVSS score: 6.5/10. Published 2026-03-13.

How severe is CVE-2026-22216?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Gvectors Wpdiscuz

CVE-2026-22216

wpDiscuz before 7.6.47 contains a missing rate limiting vulnerability that allows unauthenticated attackers to subscribe arbitrary email addresses to post notifications by sending POST requests to the wpdAddSubscription handler in class.Wp…

EPSS: 0.001 (21.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L.

Affected products

Gvectors Wpdiscuz — versions 0, 7.6.47

Weakness classification (CWE)

CWE-799

References

wpDiscuz Changelog (patch)
wpDiscuz (product)
VulnCheck Advisory: wpDiscuz before 7.6.47 - No Rate Limiting on Subscription Endpoints with LIKE Wildcard Bypass (third-party-advisory)

Frequently asked questions

What is CVE-2026-22216?: CVE-2026-22216 is a medium-severity vulnerability in Gvectors Wpdiscuz, classified under CWE-799. CVSS score: 6.5/10. Published 2026-03-13.
How severe is CVE-2026-22216?: Medium severity. CVSS v3 base score is 6.5 out of 10.