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Vulnerability record · CVE-2025-11833 · published 1 November 2025

CVE-2025-11833: Missing authorization vulnerability

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.

9.8 CVSS 3.1 Critical EPSS 60% · top 0.9% CWE-862 · Missing authorization Deferred
9.8CVSS 3.1 base score
60%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

LinkTags
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

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Source: NIST National Vulnerability Database (record CVE-2025-11833), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.