CVSS base score
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N
What the vulnerability does
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.
Explanation of Vulnerability in Simple Terms
WPO365 | Microsoft 365 Graph Mailer versions 3.2 and earlier contain an open redirect vulnerability. An attacker can craft a malicious link that redirects users to an external website after they interact with the plugin. The vulnerability requires user interaction and has limited impact on confidentiality and integrity.
What an attacker can do
Redirect users to a malicious external website via a crafted link.
Potential impact on your site
Users may be tricked into visiting phishing or malware sites if they click attacker-controlled links.
Conditions required to exploit
User must click a malicious link; no authentication required.
Key dates
External resources
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