Information disclosure in Rocketgenius Gravity Smtp
CVE-2026-4020
The Gravity SMTP plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 2.1.4. This is due to a REST API endpoint registered at /wp-json/gravitysmtp/v1/tests/mock-data with a permission_c…
Vulnerability class: Information Disclosure
EPSS: 0.129 (94.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Rocketgenius Gravity Smtp — versions 0
Weakness classification (CWE)
References
- www.wordfence.com/threat-intel/vulnerabilities/id/12a296db-ecc0-409b-8718-0c208…
- www.gravityforms.com/gravity-smtp/
- plugins.trac.wordpress.org/browser/gravitysmtp/trunk/vendor/gravityforms/gravit…
- plugins.trac.wordpress.org/browser/gravitysmtp/tags/2.1.4/vendor/gravityforms/g…
- plugins.trac.wordpress.org/browser/gravitysmtp/trunk/vendor/gravityforms/gravit…
- plugins.trac.wordpress.org/browser/gravitysmtp/tags/2.1.4/vendor/gravityforms/g…
- docs.gravitysmtp.com/gravity-smtp-changelog/
Frequently asked questions
- What is CVE-2026-4020?
- CVE-2026-4020 is a high-severity vulnerability in Rocketgenius Gravity Smtp, classified under Information Disclosure. CVSS score: 7.5/10. Published 2026-03-31.
- How severe is CVE-2026-4020?
- High severity. CVSS v3 base score is 7.5 out of 10.