Unauthenticated Privilege Escalation in SMS Alert Order Notifications by Patchstack
CVE-2026-59540

9.8CRITICAL

Key Information:

Vendor

WordPress

Vendor
CVE Published:
23 July 2026

What is CVE-2026-59540?

A security vulnerability exists in the SMS Alert Order Notifications plugin version 3.9.6 and earlier, which allows unauthenticated users to escalate their privileges. This imperfection could enable unauthorized access and manipulation of sensitive functionalities within the WordPress site, potentially leading to significant security risks for administrators and users alike.

Affected Version(s)

SMS Alert Order Notifications <= 3.9.6

References

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Taylsec | Patchstack Bug Bounty Program
.