CVE-2023-3087

Name of the Vulnerable Software and Affected Versions FluentSMTP plugin for WordPress versions up to and including 2.2.4

Description The issue arises from insufficient input sanitization and output escaping, allowing unauthenticated attackers to inject arbitrary web scripts in pages via an email subject. This enables the execution of injected scripts whenever a user accesses an injected page.

Recommendations For versions up to and including 2.2.4, update to a version later than 2.2.4 to resolve the issue.