CVE-2023-3407
Subscribe2 <= 10.40 - Cross-Site Request Forgery
CVSS Score
4.3
EPSS Score
0.0%
EPSS Percentile
0th
The Subscribe2 plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 10.40. This is due to missing or incorrect nonce validation when sending test emails. This makes it possible for unauthenticated attackers to send test emails with custom content to users on sites running a vulnerable version of this plugin via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
| CWE | CWE-352 |
| Vendor | wedevs |
| Product | subscribe2 – form, email subscribers & newsletters |
| Published | Jun 28, 2023 |
| Last Updated | Apr 8, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
wedevs / Subscribe2 – Form, Email Subscribers & Newsletters
0 ≤ 10.40
References
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/92b4d800-2895-4f7b-8b3b-ee6df75a7908?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/subscribe2/trunk/admin/send-email.php#L12 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset/2930676
Credits
Marco Wotschka