Post SMTP – Complete Email Deliverability and SMTP Solution with Email Logs, Alerts, Backup SMTP & Mobile App vulnerabilities

Product

Post SMTP – Complete Email Deliverability and SMTP Solution with Email Logs, Alerts, Backup SMTP & Mobile App

by saadiqbal · last CVE Mar 18, 2026

CVEs

On KEV

9.8

Max CVSS

New 30D

Vulnerabilities13 In the news0 Timeline

Severity mix

Critical 2High 2Medium 9Low 0

Severity

All severities13 Critical2 High2 Medium9 Low0

Exploitation

On CISA KEV0 Exploited in the wild0

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CVE	CVSS	EPSS	Published	Summary · affected versions
CVE-2025-11833	9.8	61%	Nov 1	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 Affected: through 3.6.0
CVE-2023-6875	9.8	90%	Jan 11	POST SMTP Mailer – Email log, Delivery Failure Notifications and Best Mail SMTP for WordPress <= 2.8.7 - Authorization Bypass via type connect-app API Affected: through 2.8.7