CVE-2026-15014 (CVSS 9.8)

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.

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CVSS v3.1 Score

9.8

CRITICAL

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

EPSS — Exploit Prediction

0.0046

Probability of exploitation

0.38%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-288 CWE-288

References

Other References

https://plugins.trac.wordpress.org/browser/sms-alert/tags/3.9.6/handler/forms/FormInterface.php#L56 https://plugins.trac.wordpress.org/browser/sms-alert/tags/3.9.6/handler/forms/woocommerce/wc-registration.php#L252 https://plugins.trac.wordpress.org/browser/sms-alert/tags/3.9.6/handler/forms/woocommerce/wc-registration.php#L602 https://plugins.trac.wordpress.org/browser/sms-alert/tags/3.9.6/handler/forms/woocommerce/wc-registration.php#L680 https://plugins.trac.wordpress.org/browser/sms-alert/tags/3.9.6/handler/forms/woocommerce/wc-registration.php#L691 https://plugins.trac.wordpress.org/changeset?reponame=&old=3623914%40sms-alert&new=3623914%40sms-alert https://www.wordfence.com/threat-intel/vulnerabilities/id/661d4ea9-572d-4544-b5cf-39fd69c104a6?source=cve

Frequently Asked Questions

What is CVE-2026-15014? +

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. It has a CVSS v3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2026-15014? +

CVE-2026-15014 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately. The EPSS score is 0.0046, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-15014? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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