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.

Classification

CVE ID: CVE-2025-1488

CVSS Base Severity: MEDIUM

CVSS Base Score: 4.7

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

Affected Products

Vendor: wpo365

Product: WPO365 | MICROSOFT 365 GRAPH MAILER

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.02% (probability of being exploited)

EPSS Percentile: 3.59% (scored less or equal to compared to others)

EPSS Date: 2025-03-25 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-1488
https://www.wordfence.com/threat-intel/vulnerabilities/id/3a1782c3-ae0b-42f1-aa5e-dabfa2a5bbcd?source=cve
https://wordpress.org/plugins/wpo365-msgraphmailer/#developers
https://www.wpo365.com/change-log/
https://plugins.trac.wordpress.org/changeset/3244747/

Timeline