High severity7.2NVD Advisory· Published Jul 12, 2023· Updated Apr 8, 2026

CVE-2023-3087

Description

The FluentSMTP plugin for WordPress is vulnerable to Stored Cross-Site Scripting via an email subject in versions up to, and including, 2.2.4 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affected products

Wpmanageninja/Fluentsmtp
cpe:2.3:a:wpmanageninja:fluentsmtp:*:*:*:*:*:wordpress:*:*
Range: <2.2.5

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

plugins.trac.wordpress.org/changeset/2935217/fluent-smtp/trunk/app/Models/Logger.phpnvdPatch
plugins.trac.wordpress.org/changeset/2935217/fluent-smtp/trunk/app/Services/Mailer/BaseHandler.phpnvdPatch
www.wordfence.com/threat-intel/vulnerabilities/id/fa47a794-e5ce-491d-a10b-c7c5718aa853nvdThird Party Advisory

News mentions

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cvss	0.468
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000