Live Exposure Defense: From CVE to Confirmed Exposure in 12 Hours – See more

Back
New CVE Detected

CVE-2026-66424 – Unauthenticated Privilege Escalation – SMS Alert – SMS & OTP for WooCommerce (WordP

Be the first to know when new zero-days emerge:

Subscribe to Email Alerts
Subscribe to RSS Feed

Summary

CVE-2026-66424 is a critical unauthenticated privilege escalation vulnerability in the "SMS Alert Order Notifications" WordPress plugin (marketed as SMS Alert – SMS & OTP for WooCommerce), developed by Cozy Vision Technologies Pvt. Ltd. The flaw stems from incorrect privilege assignment (CWE-266) and allows a remote, unauthenticated attacker to gain elevated access on affected sites. It carries a CVSS v3.1 base score of 9.8 (Critical).

Technical details

  • Root cause: The plugin incorrectly assigns or validates user privileges (CWE-266: Incorrect Privilege Assignment) within its SMS/OTP-based authentication or order-notification workflow.
  • Trigger conditions: No authentication or user interaction is required to exploit the flaw; the vulnerable logic is reachable directly over the network.
  • Attack vector: Network-based (AV:N), low attack complexity (AC:L), no privileges required (PR:N), no user interaction (UI:N).
  • Impact: Full compromise of confidentiality, integrity, and availability (C:H/I:H/A:H) is possible, consistent with an attacker being able to escalate to a privileged account (e.g., administrator) on the affected WordPress/WooCommerce site.

Affected software

  • SMS Alert Order Notifications (SMS Alert – SMS & OTP for WooCommerce) WordPress plugin, versions up to and including 3.9.7.
  • Versions 3.9.8 and later are not affected.

Severity

  • CVSS v3.1 Base Score: 9.8 (Critical)
  • Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Mitigation and recommended actions

  • Immediate: Update the SMS Alert Order Notifications plugin to version 3.9.8 or later, where the privilege assignment flaw has been remediated.
  • If patching cannot be applied immediately: Consider temporarily deactivating the plugin on internet-facing WordPress/WooCommerce sites, restrict access to the WordPress admin and REST/AJAX endpoints associated with the plugin at the network or WAF layer, and monitor for unexpected creation of, or logins to, privileged accounts.

References

Are you exposed?

Get a free report of your organization’s exposure to this CVE and threat

  • Mapping of all Assets with this Technology
  • Identification of potentially exposed assets to this CVE
  • Confirmation of verified exploitable assets
Get Exposure Report

How IONIX’s External Exposure Management Platform Detects and Validates
Zero-Days to Shrink MTTR

1

Map your entire attack surface (continously)

IONIX uses multi-factor discovery methods, including DNS analysis, certificate mapping, metadata inspection, and more, to automatically map every internet-facing asset across your environment. This includes cloud instances, third-party platforms, shadow IT, and even forgotten infrastructure that traditional tools miss.

2

Monitor for new CVEs

Dozens of threat intel feeds using agentic technology are continuously analyzed to detect the appearance of proof-of-concept code, exploit kits, and indicators of active targeting. IONIX goes further by applying AI to proactively evaluate whether emerging vulnerabilities are likely to be exploited, even before PoCs go public.

3

Identify Potential External Exposures

Not all CVEs matter. IONIX filters vulnerabilities by asking attacker-centric questions: Can it be reached from the internet? Does it require authentication? Is it being exploited in the wild? This dramatically reduces noise and focuses teams on threats that can actually be weaponized.

4

Create Safe, Scalable Exploit Validations

IONIX transforms real-world PoCs into safe, non-intrusive test payloads that can be run in production environments without disruption. These simulations are precisely targeted to the systems that are vulnerable, ensuring rapid validation without unnecessary load.

5

Execute Exploit Validations

By combining context about software stack, versioning, exposure status, and reachability, IONIX ensures that only the right payloads are executed against the right assets, maximizing efficiency and minimizing risk.

6

Drive Fast and Actionable Remediation

Results are routed through integrations with ticketing, SOAR, and SIEM tools. Issues are written in plain language, bundled into remediation clusters, and prioritized based on asset criticality, exploitability, and blast radius. This shortens mean time to remediation (MTTR) and empowers teams to act with confidence.

Are you exposed?

Get a free report of your organization’s exposure to this CVE and threat

  • Mapping of all Assets with this Technology
  • Identification of potentially exposed assets to this CVE
  • Confirmation of verified exploitable assets
Get Exposure Report
Close

Subscribe to Threat Center RSS

Copy/paste the link below into your preferred RSS reader or follow these instructions to subscribe to Slack alerts.

Open RSS feedSlack setup instructions

Close

Get Real-Time CVE Alerts to Your Email

Be the first to know when new zero-days emerge