WordPress Notification Master – Real-Time WordPress Notifications With Email, SMS, Webhooks & More plugin <= 1.7.1 - Broken Access Control vulnerability

published 2026-08-24 2 mo ago modified 2026-10-12 27 d ago also EUVD-2026-64792

cvss: 7.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 37%
public exploits: 0; none known

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

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: partial
Assessed: 2 mo ago (2026-08-24)

Exploit prediction

0.43% chance of exploitation in the next 30 days, higher than 37% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

Notification Master Notification Master – Real-Time WordPress Notifications With Email, SMS, Webhooks & More

Classification

Weakness

CWE-862 Missing Authorization

Technology feeds

WordPress rss critical rss

References

patchstack.com /database/wordpress/plugin/notification-master/vulnerability/wordpress-notification-master-real-time-wordpress
vdb-entry

Sources

CVE List CVE-2026-28153
NVD CVE-2026-28153

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary