CVE-2023-3077: MStore API < 3.9.8 - Unauthenticated Blind SQLi

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 5.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-07-10 · updated 2026-06-17

Description

The MStore API WordPress plugin before 3.9.8 does not sanitise and escape a parameter before using it in a SQL statement, leading to a Blind SQL injection exploitable by unauthenticated users. This is only exploitable if the site owner elected to pay to get access to the plugins' pro features, and uses the woocommerce-appointments plugin.

Affected products

inspireui MStore API – Create Native Android & iOS Apps On The Cloud: before 3.9.8 — fixed in 3.9.8

How to fix

Upgrade to a fixed version: inspireui MStore API – Create Native Android & iOS Apps On The Cloud 3.9.8. Check the vendor advisory for mitigations.

References

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