Security Advisory

CVE-2025-12887

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2025-12-03 12:29:53

Last updated 2026-04-08 16:55:27

Assigner Wordfence

State PUBLISHED

Description

The Post SMTP plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 3.6.1. This is due to the plugin not properly verifying that a user is authorized to update OAuth tokens on the handle_gmail_oauth_redirect function. This makes it possible for authenticated attackers, with subscriber level access and above, to inject invalid or attacker-controlled OAuth credentials. CVE-2025-67563 appears to be a duplicate of this issue.

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