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Vulnerability in Post SMTP Plugin Allows WordPress Account Takeover

Vulnerability in Post SMTP Plugin Allows WordPress Account Takeover

First seen 2 Dec 2025, 18:33 UTC

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ThreatCluster AI
ThreatCluster March 12, 2026 at 13:27 UTC

A critical vulnerability in the Post SMTP plugin, used by over 400,000 WordPress sites, has been discovered, allowing unauthenticated attackers to hijack administrator accounts. The flaw enables attackers to access email logs and reset passwords, compromising entire WordPress instances. A patch for the vulnerability has been released following reports from security researchers.

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