CVE-2023-3407
MediumCVSS 4.3Exploitation Probability (EPSS)
Low risk16th percentile - higher than 16% of all known CVEs
Summary
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.
Risk Assessment
Unauthenticated attackers can send test emails with custom content to users, potentially leading to fraud or information theft.
Recommendation
It is recommended to update the Subscribe2 plugin to the latest version to mitigate this vulnerability and implement additional safeguards against CSRF attacks.
Original NVD description (English source)
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.

