CVE-2025-1488: microsoft 365 Open Redirect — Fix

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.

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CVSS v3.1 Score

4.7

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N

Weakness Type (CWE)

CWE-601 CWE-601

Affected Products

Vendor	Product	Versions
wpo365	microsoft_365_graph_mailer	< 3.3

References

Advisories & Patches

https://plugins.trac.wordpress.org/changeset/3244747/

Other References

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/

Frequently Asked Questions

What is CVE-2025-1488? +

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. It has a CVSS v3.1 base score of 4.7 (MEDIUM).

How severe is CVE-2025-1488? +

CVE-2025-1488 has a CVSS v3.1 score of 4.7 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-1488? +

CVE-2025-1488 affects products from wpo365, specifically: microsoft_365_graph_mailer. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-1488? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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