CVE-2025-11833 Missing authorization in Post SMTP – Complete Email Deliverability and SMTP Solution with Email Logs, Alerts, Backup SMTP & Mobile App
Unauthenticated attackers can read arbitrary logged emails, including password reset links, leading to account takeover in the Post SMTP WordPress plugin.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-11833?
CVE-2025-11833 is a critical missing authorization vulnerability in saadiqbal Post SMTP – Complete Email Deliverability and SMTP Solution with Email Logs, Alerts, Backup SMTP & Mobile App, published on 1 Nov 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-862
Which versions are affected by CVE-2025-11833?
How do I fix CVE-2025-11833?
No fix has been published for CVE-2025-11833 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2025-11833 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-11833 exists.
Public exploit code: 1 Nuclei template and 1 proofs of concept on GitHub.
Sources
Also known as GHSA-mjg8-w6j8-9hcc.