Unauthorized Data Access in Post SMTP Plugin for WordPress
CVE-2025-11833

9.8CRITICAL

Key Information:

Vendor

WordPress
Status
Post Smtp – Complete Smtp Solution With Logs, Alerts, Backup Smtp & Mobile App
Vendor
CVE Published:
1 November 2025

What is CVE-2025-11833?

The Post SMTP plugin for WordPress is vulnerable due to a lack of capability checks within its __construct function, allowing unauthorized users to access logged emails. This vulnerability affects all versions up to and including 3.6.0, enabling malicious actors to retrieve sensitive information, such as password reset emails. Such exposure can lead to severe consequences, including potential account takeover risks for users.

Affected Version(s)

Post SMTP – Complete SMTP Solution with Logs, Alerts, Backup SMTP & Mobile App * <= 3.6.0

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/post-smtp/tags...
https://plugins.trac.wordpress.org/changeset/3386160/post...

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Carl Pearson
JSON
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CVE-2025-11833 : Unauthorized Data Access in Post SMTP Plugin for WordPress