WordPress security changelog
CRITICAL CVE-2026-54803 Deferred

SMS Alert Order Notifications: Privilege escalation or authentication bypass

SMS Alert Order Notifications is affected by privilege escalation or authentication bypass. Exploitation requires an authenticated subscriber account. A successful request can grant permissions or access that the caller should not possess. The published affected range is n/a through 3.9.4.

CVE / CNA score 9.8 CVSS 3.1 · audit@patchstack.com
NVD score Pending NVD has not published its own CVSS assessment.
Component
SMS Alert Order Notifications
Plugin slug
sms-alert
Affected
n/a through 3.9.4
Safe version
3.9.5
Published
Jun 17, 2026
Weakness
CWE-863 — Incorrect Authorization

This CVE was published Jun 17, 2026 and is one of 18 known issues for this plugin.

Update, patch or deactivate.

Update SMS Alert Order Notifications to 3.9.5 or later, or disable and remove it until a fixed version is available.

A safe version is available, so updating to that version or later is the preferred remediation. If an immediate update is not practical, consider a targeted application patch or temporarily restricting the affected functionality.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Technical description

Subscriber Privilege Escalation in SMS Alert Order Notifications <= 3.9.4 versions.

CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary and upstream sources