CVE-2025-11833: saadiqbal post smtp – complete email deliverability and smtp solution with email logs, alerts, backup smtp & mobile app Missing Authorization
Vulnerability summary
CVE-2025-11833 is a critical (CVSS 9.8) Missing Authorization vulnerability in saadiqbal post smtp – complete email deliverability and smtp solution with email logs, alerts, backup smtp & mobile app. EPSS estimates a 61.48% chance of exploitation in the next 30 days, higher than 99.1% of scored vulnerabilities.
Timeline
- 01-11-2025PublishedVulnerability first disclosed.
- 08-04-2026Last modifiedVulnerability information updated.
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 metrics
3 scores · 3 sources · 1 version- NVDNIST9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- wordfenceSource9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
61.48%
Chance of exploitation in the next 30 days
Percentile
99%
Versus all other CVEs
30-day change
+10.48 pp
From 51.01% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Saadiqbal1 product
Wordpress1 product
- post-smtp≤ 3.6.0 (fixed in 3.6.1)
2 vendors · 2 products