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.

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 i…

Vulnerability class: Broken Access Control

EPSS: 0.152 (94.7th 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

Saadiqbal Post Smtp – Complete Email Deliverability And Solution With Logs, Alerts, Backup & Mobile App — versions 0

Weakness classification (CWE)

CWE-862 — Missing Authorization

Public proof-of-concept exploits

bocgoInfosec/CVE-2025-11833-PoC

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.