The WordPress + Microsoft Office 365 / Azure AD | LOGIN plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'pintra' shortcode in all versions up to, and including, 27.2 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in WPO365 | Mail Integration for Office 365 / Outlook plugin <= 1.9.0 versions.

The “WPO365 | LOGIN” WordPress plugin (up to and including version 15.3) by wpo365.com is vulnerable to a persistent Cross-Site Scripting (XSS) vulnerability (also known as Stored or Second-Order XSS). Persistent XSS vulnerabilities occur when the application stores and retrieves client supplied data without proper handling of dangerous content. This type of XSS vulnerability is exploited by submitting malicious script content to the application which is then retrieved and executed by other application users. The attacker could exploit this to conduct a range of attacks against users of the affected application such as session hijacking, account take over and accessing sensitive data. In this case, the XSS payload can be submitted by any anonymous user, the payload then renders and executes when a WordPress administrator authenticates and accesses the WordPress Dashboard. The injected payload can carry out actions on behalf of the administrator including adding other administrative us…

The wpo365-login plugin before v11.7 for WordPress allows use of a symmetric algorithm to decrypt a JWT token. This leads to authentication bypass.