cozyvision1 SMS Alert Plugin up to 3.9.5 on WordPress Password Reset improper authentication

Summaryinfo

A vulnerability marked as critical has been reported in cozyvision1 SMS Alert Plugin up to 3.9.5 on WordPress. This affects an unknown part of the component Password Reset Handler. This manipulation causes improper authentication. This vulnerability is handled as CVE-2026-11387. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability has been found in cozyvision1 SMS Alert Plugin up to 3.9.5 on WordPress and classified as critical. Affected by this vulnerability is an unknown code of the component Password Reset Handler. The manipulation with an unknown input leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The SMS Alert – SMS & OTP for WooCommerce, Order Notifications & Abandoned Cart Recovery plugin for WordPress is vulnerable to privilege escalation via account takeover in all versions up to, and including, 3.9.5. This is due to the plugin not properly validating a user's identity prior to updating their details like reset the password of any user account, including administrators, and gain full access to those accounts. This makes it possible for unauthenticated attackers to change arbitrary user's email addresses, including administrators, and leverage that to reset the user's password and gain access to their account. This is only vulnerable on sites with OTP verification for password resets enabled, and where the administrator (or other user) has set a phone number for OTP verification.

The weakness was released by Chloe Chamberland (PRISM). The advisory is shared at wordfence.com. This vulnerability is known as CVE-2026-11387 since 06/05/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/01/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-40922). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• WordPress Plugin

Vendor

• cozyvision1

Name

• SMS Alert Plugin

Version

• 3.9.0
• 3.9.1
• 3.9.2
• 3.9.3
• 3.9.4
• 3.9.5

CPE 2.3info

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CPE 2.2info

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Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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