What’s Vulnerable › Vulnerabilities

CVE-2025-11833: Post SMTP – Complete SMTP Solution with Logs, Alerts, Backup SMTP & Mobile App <= 3.6.0 - Missing Authorization to Account Takeover via Unauthenticated Email Log Disclosure

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 61.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-11-01 · updated 2026-10-18
• Weakness: CWE-862

Description

The Post SMTP – Complete SMTP Solution with Logs, Alerts, Backup SMTP & Mobile App plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the __construct function in all versions up to, and including, 3.6.0. This makes it possible for unauthenticated attackers to read arbitrary logged emails sent through the Post SMTP plugin, including password reset emails containing password reset links, which can lead to account takeover.

Affected products

• saadiqbal Post SMTP – Complete Email Deliverability and SMTP Solution with Email Logs, Alerts, Backup SMTP & Mobile App: through 3.6.0

References

• https://plugins.trac.wordpress.org/browser/post-smtp/tags/3.5.0/Postman/PostmanEmailLogs.php#L51
• https://plugins.trac.wordpress.org/changeset/3386160/post-smtp
• https://www.wordfence.com/threat-intel/vulnerabilities/id/491f44fc-712c-4f67-b5c2-a7396941afc1?source=cve

Get alerted when CVE-2025-11833 or the next vulnerability affects your stack