Auth bypass in Notification Master – Real-Time WordPress Notifications With Email, Sms, Webhooks &Amp; More

CVE-2026-28153

Unauthenticated Broken Access Control in Notification Master &#8211; Real-Time WordPress Notifications With Email, SMS, Webhooks &amp; More <= 1.7.1 versions.

Vulnerability class: Broken Access Control

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-28153?
CVE-2026-28153 is a high-severity vulnerability in Notification Master &#8211; Real-Time WordPress Notifications With Email, Sms, Webhooks &Amp; More, classified under Missing Authorization. CVSS score: 7.5/10. Published 2026-08-24.
How severe is CVE-2026-28153?
High severity. CVSS v3 base score is 7.5 out of 10.