🛡️ CVE-2023-3407
🟡 CVSS 4.3 — Medium ✅ No Known Exploit CWE-352 NVD
4.3
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

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.

Details

Severity MEDIUM
CVSS Score 4.3
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
CWE CWE-352
Public Exploit ✅ No
Source NVD
Published 2023-06-28
Updated 2026-06-08
Modified 2026-04-08

Affected Packages

Software From version Fixed in
subscribe2 — 10.40

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