CVE-2025-11833
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
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.
INFO
Published Date :
Nov. 1, 2025, 4:15 a.m.
Last Modified :
Nov. 4, 2025, 3:41 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2025-11833
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | CRITICAL | [email protected] |
Solution
- Update the Post SMTP plugin to the latest version.
- Verify that the vulnerability is no longer present.
Public PoC/Exploit Available at Github
CVE-2025-11833 has a 2 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-11833.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-11833 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-11833
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
None
None
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-11833 vulnerability anywhere in the article.
-
The Hacker News
CISA Adds Gladinet and CWP Flaws to KEV Catalog Amid Active Exploitation Evidence
Nov 05, 2025Ravie LakshmananVulnerability / Network Security The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Tuesday added two security flaws impacting Gladinet and Control Web P ... Read more
-
CybersecurityNews
WordPress Post SMTP Plugin Vulnerability Exposes 400,000 Websites to Account Takeover Attacks
A critical security flaw in the WordPress Post SMTP plugin has left more than 400,000 websites vulnerable to account takeover attacks. The vulnerability, identified as CVE-2025-11833, enables unauthen ... Read more
-
BleepingComputer
Hackers exploit WordPress plugin Post SMTP to hijack admin accounts
Threat actors are actively exploiting a critical vulnerability in the Post SMTP plugin installed on more than 400,000 WordPress sites, to take complete control by hijacking administrator accounts. Pos ... Read more
-
security.nl
WordPress-sites aangevallen via kritiek beveiligingslek in plug-in Post SMTP
WordPress-sites worden actief aangevallen via een kritieke kwetsbaarheid in de plug-in Post SMTP. Een beveiligingsupdate is sinds een aantal dagen beschikbaar, maar zo'n tweehonderdduizend websites he ... Read more
-
Daily CyberSecurity
Critical WordPress Plugin Flaw (CVE-2025-8489, CVSS 9.8) Allows Unauthenticated Admin Takeover
A critical security vulnerability has been identified and is being actively exploited in the King Addons for Elementor plugin, a popular toolkit used by over 10,000 active WordPress installations. The ... Read more
-
Daily CyberSecurity
CVE-2025-11833 (CVSS 9.8): Critical Flaw Exposes 400,000 WordPress Sites to Unauthenticated Account Takeover
The Post SMTP plugin, used by over 400,000 WordPress sites to ensure reliable email delivery, has been found to contain a critical Missing Authorization vulnerability that can lead to complete Account ... Read more
The following table lists the changes that have been made to the
CVE-2025-11833 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by [email protected]
Nov. 01, 2025
Action Type Old Value New Value Added 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. Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-862 Added Reference https://plugins.trac.wordpress.org/browser/post-smtp/tags/3.5.0/Postman/PostmanEmailLogs.php#L51 Added Reference https://plugins.trac.wordpress.org/changeset/3386160/post-smtp Added Reference https://www.wordfence.com/threat-intel/vulnerabilities/id/491f44fc-712c-4f67-b5c2-a7396941afc1?source=cve