Software intelligence
Important: Fluent Smtp appearing in this catalog does not mean your website is affected. Exposure depends on your installed version. How SiteRespond intelligence works
Tracked advisories
6
Latest advisory
5 August 2026
CISA KEV matches
0
In this WordPress feed
WordPress slug
fluent-smtp
Plugin
This catalog lists 6 known advisories affecting Fluent Smtp. The most recent was published on 5 August 2026. If you use this software, compare your installed version against the affected ranges on each advisory and update to a fixed release outside those ranges. SiteRespond Defence checks your actual installed version when the plugin is connected — listing here does not by itself mean your site is vulnerable.
FluentSMTP <= 2.2.95 - Unauthenticated Stored Cross-Site Scripting via Recipient Display Name (to.name) in Email Logs
May allow attackers to run scripts in visitors' browsers or hijack admin sessions.
Published 5 August 2026
FluentSMTP <= 2.2.80 - Cross-Site Request Forgery
May trick authenticated users into performing unintended actions.
Published 24 January 2025
FluentSMTP – WP SMTP Plugin with Amazon SES, SendGrid, MailGun, Postmark, Google and Any SMTP Provider <= 2.2.82 - Unauthenticated PHP Object Injection
This advisory describes a other issue in the affected software. Review the source advisory and your installed version to assess exposure.
Published 22 November 2024
Known Fluent Smtp advisories published by month.
CVE-2026-16636 · Published 5 August 2026
Affected versions: ≤ 2.2.95
CVE-2025-24739 · Published 24 January 2025
Affected versions: ≤ 2.2.80
CVE-2024-9511 · Published 22 November 2024
Affected versions: ≤ 2.2.82
CVE-2023-3087 · Published 6 July 2023
Affected versions: ≤ 2.2.4
CVE-2023-0219 · Published 3 March 2023
Affected versions: ≤ 2.2.2
CVE-2021-24528 · Published 29 July 2021
Affected versions: < 2.0.1
SiteRespond Defence matches your installed Fluent Smtp version against this catalog when the Defence plugin is connected to your WordPress site.