CVE-2023-3077

Name: CVE-2023-3077
Creator: NVD / NIST
Published: 2023-07-10T16:15:54.913+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 5.30%

Last modified Jun 17, 2026

CVE-2023-3077 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 5.30% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

5.30%

91.5th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Inspireui	Mstore Api	< 3.9.8

References

https://wpscan.com/vulnerability/9480d0b5-97da-467d-98f6-71a32599a432Exploit, Third Party Advisory
https://wpscan.com/vulnerability/9480d0b5-97da-467d-98f6-71a32599a432Exploit, Third Party Advisory

Timeline

Published: Jul 10, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-3077?

How severe is CVE-2023-3077?

CVE-2023-3077 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 5.30% probability of exploitation in the next 30 days.

How do I fix CVE-2023-3077?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-3077?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST