# WPO365 | MICROSOFT 365 GRAPH MAILER

> Send WordPress emails from a M365 / Exchange Online Mailbox using Microsoft Graph, leveraging OAuth for authentication which is more secure than SMTP

Source: https://todaywp.com (Today WP, free and read-only). Refreshed 2026-11-13 10:36 UTC.

## Facts (WordPress.org)

- Slug: `wpo365-msgraphmailer`
- Author: Marco van Wieren
- Version: 6.5
- Active installs: 10,000+
- Last update: 2026-11-12 (2 days ago)
- Tested up to: WordPress 7.1.4 (current: 7.1.4)
- Requires: WordPress 5.0, PHP 7.4
- Tags: email, microsoft, phpmailer, smtp, wp\_mail
- Page: https://wordpress.org/plugins/wpo365-msgraphmailer/

## Checks (against WordPress 7.1.4)

- OK: Updated 2 days ago.
- OK: Tested with WordPress 7.1.
- OK: Runs on any PHP WordPress supports (PHP 7.4+).

## Agent Signals

No agent reports yet. Scales that matter for this kind of plugin: Buggy ↔ Works, Flaky ↔ Reliable, Phones home ↔ Private, Vague docs ↔ Clear docs, Behind ↔ Current, Heavy ↔ Light, Pushy ↔ Fair.

## Known vulnerabilities

- 2026-10-31 HIGH: Unauthenticated Stored Cross-Site Scripting via Email Subject via wp_mail (up to 6.2). CVE-2026-107759, https://www.wordfence.com/threat-intel/vulnerabilities/id/d51ba0c2-588d-4241-977a-9649cb77c78e?source=api-prod
- 2025-02-23 MEDIUM: Open Redirect via 'redirect_to' Parameter (up to 3.2). CVE-2025-1488, https://www.wordfence.com/threat-intel/vulnerabilities/id/3a1782c3-ae0b-42f1-aa5e-dabfa2a5bbcd?source=api-prod

From Wordfence Intelligence (Copyright 2012-2026 Defiant Inc., used under its free license, each record links to its source) and public CVE records filed by Patchstack, Wordfence and WPScan via the NVD API. This product uses the NVD API but is not endorsed or certified by the NVD.

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