CVE-2023-2734 MStore API <= 3.9.1 - Authentication Bypass

What is CVE-2023-2734?

CVE-2023-2734 is a critical authentication bypass vulnerability in inspireui MStore API – Create Native Android & iOS Apps On The Cloud, published on 25 May 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The MStore API plugin for WordPress is vulnerable to authentication bypass in versions up to, and including, 3.9.1. This is due to insufficient verification on the user being supplied during the cart sync from mobile REST API request through the plugin. This makes it possible for unauthenticated attackers to log in as any existing user on the site, such as an administrator, if they have access to the user id.

Weakness: CWE-288

Which versions are affected by CVE-2023-2734?

It affects 1 product.

Products include Inspireui Mstore Api.

How do I fix CVE-2023-2734?

No fix has been published for CVE-2023-2734 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2023-2734 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-2734 exists.

Public exploit code: 1 Nuclei template.

Other vulnerabilities in inspireui MStore API – Create Native Android & iOS Apps On The Cloud

• CVE-2024-6328 MStore API – Create Native Android & iOS Apps On The Cloud <= 4.14.7 - Authentication Bypass Critical 9.8
• CVE-2023-3277 MStore API <= 4.10.7 - Unauthorized Account Access and Privilege Escalation Critical 9.8
• CVE-2023-3076 MStore API < 3.9.9 - Unauthenticated Privilege Escalation Critical 9.8
• CVE-2023-3077 MStore API < 3.9.8 - Unauthenticated Blind SQLi Critical 9.8
• CVE-2023-3197 MStore API <= 4.0.1 - Unauthenticated SQL Injection Critical 9.8

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-29f6-99cv-fjv5.