WPO365 vulnerabilities

WPO365 has 1 known vulnerability in this database. The most recent published record is dated 24 Feb 2025.

Known vulnerabilities: 1
Active installs: 10,000+
Latest version: 6.1
Last updated: 5 Sep 2026
Most recent: 24 Feb 2025

Which version do you have installed?

Find it in your WordPress dashboard under Plugins. Severity is based on the CVSS score published with the CVE where one is available.

Vulnerability	Severity	Affected	Fix	Published
Open redirect CVE-2025-1488	Medium 4.7	Up to 3.3	Fixed in a later version (latest 6.1)	24 Feb 2025

Read the published descriptions

CVE-2025-1488, 24 Feb 2025: The WPO365 | MICROSOFT 365 GRAPH MAILER plugin for WordPress is vulnerable to Open Redirect in all versions up to, and including, 3.2. This is due to insufficient validation on the redirect url supplied via the 'redirect_to' parameter. This makes it possible for unauthenticated attackers to redirect users to potentially malicious sites if 1. they can successfully trick them into performing an action and 2. the plugin is activated but not configured. CVE record

What to do if you run WPO365

If you run WPO365, open WordPress and check the installed version in Plugins. Compare it with the affected versions in the vulnerability record. If a fixed version is available, take a current backup and update to that version or the latest supported release.

If no fixed version exists, consider disabling and removing the plugin or replacing it with a maintained alternative. After dealing with the affected software, check administrator users, unexpected file changes, redirects, unfamiliar pages and security logs for signs that the site may already have been altered.

Email me about new WPO365 vulnerabilities

Free. We email you when a new vulnerability is published for WPO365, usually within minutes. Confirm by email; unsubscribe any time.

Focus on your business. We’ll take care of your website.

From everyday updates to ongoing care, we keep your website working.

Get website support Call 0208 088 8371