Auth bypass in Saadiqbal Post Smtp – Complete Email Deliverability And Solution With Logs, Alerts, Backup & Mobile App

CVE-2025-11833

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.

Vulnerability class: Broken Access Control

EPSS: 0.510 (98.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-11833?
CVE-2025-11833 is a critical-severity vulnerability in Saadiqbal Post Smtp – Complete Email Deliverability And Solution With Logs, Alerts, Backup & Mobile App, classified under Missing Authorization. CVSS score: 9.8/10. Published 2025-11-01.
How severe is CVE-2025-11833?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2025-11833 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.