CVE · Medium

CVE-2025-12887 — Post SMTP – Complete Email Deliverability and SMTP Solution with Email Logs, Alerts, Backup SMTP & Mobile App [post-smtp] < 3.6.2

CVE Vulnerability Type Severity Affected Fixed in Published Status
CVE-2025-12887 Post SMTP – Complete Email Deliverability and SMTP Solution with Email Logs, Alerts, Backup SMTP & Mobile App [post-smtp] < 3.6.2 Missing Authorization Medium 5.4 < 3.6.2 3.6.2 2025-12-03

CVE-2025-12887

The Post SMTP plugin for WordPress has an authorization bypass vulnerability in versions up to 3.6.1, caused by insufficient verification of user permissions on the 'handle_gmail_oauth_redirect' function. Authenticated users with subscriber-level access or higher can exploit this to inject unauthorized OAuth credentials.

Based on public CVE data (MITRE/NVD).

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