What’s Vulnerable › Vulnerabilities

CVE-2025-1488: WPO365 | MICROSOFT 365 GRAPH MAILER <= 3.2 - Open Redirect via 'redirect_to' Parameter

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-02-24 · updated 2026-06-17
• Weakness: CWE-601

Description

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.

Affected products

• WPO365 | MICROSOFT 365 GRAPH MAILER: through 3.3

References

• https://plugins.trac.wordpress.org/changeset/3244747/
• https://wordpress.org/plugins/wpo365-msgraphmailer/#developers
• https://www.wordfence.com/threat-intel/vulnerabilities/id/3a1782c3-ae0b-42f1-aa5e-dabfa2a5bbcd?source=cve
• https://www.wpo365.com/change-log/

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