SMS Alert <= 3.9.7 - Unauthenticated Authentication Bypass to Account Takeover via 'billing_phone' Parameter
| CVE | CVE-2026-15014 |
|---|---|
| CVSS | 9.8 (Critical) |
| Publicly Published | July 27, 2026 |
| Last Updated | August 13, 2026 |
| Researcher |
Civitasmass
|
Description
The SMS Alert – SMS & OTP for WooCommerce, Order Notifications & Abandoned Cart Recovery plugin for WordPress is vulnerable to Authentication Bypass leading to Account Takeover in all versions up to, and including, 3.9.7 via the `billing_phone` parameter. This is due to the `processRegistration()` function using a phone-unbound `$_SESSION['sa_mobile_verified']` boolean flag as the sole gate before issuing an authentication cookie — the flag is set to `true` after any successful OTP validation without being bound to the specific phone number that was verified. This makes it possible for unauthenticated attackers to complete OTP verification for a phone number they control, then resubmit the registration request with a victim's `billing_phone` value to have `wp_set_auth_cookie()` called for the resolved victim account, enabling full authentication as any existing WordPress user whose registered phone number is known or guessable, including administrators. CVE-2026-66424 is likely a duplicate of this.
Learn more about Authentication Bypass vulnerabilities and how to prevent them.
References
- plugins.trac.wordpress.org
- plugins.trac.wordpress.org
- plugins.trac.wordpress.org
- plugins.trac.wordpress.org
- plugins.trac.wordpress.org
- plugins.trac.wordpress.org
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Vulnerability Details for SMS Alert – SMS & OTP for WooCommerce, Order Notifications & Abandoned Cart Recovery
| Software Type | Plugin |
|---|---|
| Software Slug | sms-alert (view on wordpress.org) |
| Patched? | Yes |
| Remediation | Update to version 3.9.8, or a newer patched version |
| Affected Version |
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| Patched Version |
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Recent vulnerabilities in SMS Alert – SMS & OTP for WooCommerce, Order Notifications & Abandoned Cart Recovery
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