What is CVE-2023-3407?

CVE-2023-3407 is a medium-severity vulnerability in Subscribe2 Project, classified under Cross-Site Request Forgery (CSRF). CVSS score: 4.3/10. Published 2023-06-28.

How severe is CVE-2023-3407?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Is CVE-2023-3407 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

CSRF in Subscribe2 Project

CVE-2023-3407

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.

Vulnerability class: CSRF (Cross-Site Request Forgery)

EPSS: 0.003 (22.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.

Affected products

Subscribe2_project Subscribe2
Wedevs Subscribe2 – Form, Email Subscribers & Newsletters — versions 0

Weakness classification (CWE)

CWE-352 — Cross-Site Request Forgery (CSRF)

Public proof-of-concept exploits

20142995/nuclei-templates

References

security@wordfence.com (Third Party Advisory)
security@wordfence.com (Patch)
security@wordfence.com (Patch)

Frequently asked questions

What is CVE-2023-3407?: CVE-2023-3407 is a medium-severity vulnerability in Subscribe2 Project, classified under Cross-Site Request Forgery (CSRF). CVSS score: 4.3/10. Published 2023-06-28.
How severe is CVE-2023-3407?: Medium severity. CVSS v3 base score is 4.3 out of 10.
Is CVE-2023-3407 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.