Answer in brief
CVE-2026-28153 records a High severity (CVSS 7.5) vulnerability in WordPress Notification Master – Real-Time WordPress Notifications With Email, SMS, Webhooks & More plugin <= 1.7.1 - Broken Access Control vulnerability. The current sources do not mark it as known exploited. The current feed maps Notification Master/notification-master (generic), Notification Master/Notification Master – Real-Time WordPress Notifications With Email, SMS, Webhooks & More (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 7.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Notification Master/notification-master (generic), Notification Master/Notification Master – Real-Time WordPress Notifications With Email, SMS, Webhooks & More (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Notification Master/notification-mastergeneric | >=n/a <=1.7.1 | Not reported |
| Notification Master/Notification Master – Real-Time WordPress Notifications With Email, SMS, Webhooks & Moregeneric | n/a | Not reported |
Published upstream
Aug 24, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 24, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 24, 2026
Unauthenticated Broken Access Control in Notification Master – Real-Time WordPress Notifications With Email, SMS, Webhooks & More <= 1.7.1 versions.
Quoted source text, attributed separately from HOL analysis.