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Threat Database
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Threat Entry
Updated 2026-11-02
WPO365 - Security Vulnerability (CVE-2026-107759)
The WPO365 | MICROSOFT 365 GRAPH MAILER plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'Subject (via wp_mail/PHPMailer, e.g. CF7 your-subject)' parameter in all versions up to, and including, 6.2 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The payload is stored without authentication via any mail-sending feature that forwards a submitter-controlled subject (e.g. a Contact Form 7 form) when the Graph Mailer…
PLUGIN
WPO365
CVE-2026-107759
Risk Score
Threat Entry
Updated 2026-10-11
WPO365 - Security Vulnerability (CVE-2026-96765)
The WPO365 | SEAMLESS WORDPRESS + MICROSOFT INTEGRATION (WPO365 | LOGIN) plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'id_token' parameter in all versions up to, and including, 44.1 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The payload is stored in the wpo365_errors transient for up to three days by submitting a crafted unauthenticated request with a forged id_token whose base64url-decoded unique_name…
PLUGIN
WPO365
CVE-2026-96765
Risk Score
Threat Entry
Updated 2026-10-10
WPO365 - Security Vulnerability (CVE-2026-104759)
The WPO365 | SEAMLESS WORDPRESS + MICROSOFT INTEGRATION (WPO365 | LOGIN) plugin for WordPress is vulnerable to Authentication Bypass via OIDC Nonce Replay in all versions up to, and including, 44.1 This is due to `Id_Token_Service_Deprecated::process_openidconnect_token()` using the incompatible WordPress core `wp_verify_nonce()` function to validate a nonce produced by `Nonce_Service::create_nonce()` — a 64-character hex value that `wp_verify_nonce()` can never successfully verify — causing the nonce check to silently fail without terminating authentication, so execution continues into `authenticate_oidc_user()` with the attacker-supplied `id_token`. This makes it possible for unauthenticated attackers who have…
PLUGIN
WPO365
CVE-2026-104759
Risk Score
Threat Entry
Updated 2026-10-06
WPO365 - Security Vulnerability (CVE-2026-102915)
Subscriber Broken Access Control in WPO365
PLUGIN
WPO365
CVE-2026-102915
Risk Score
Threat Entry
Updated 2026-06-17
WPO365 - Open Redirect (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.
PLUGIN
WPO365
CVE-2025-1488
Risk Score