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Public proof of conceptFix available

CVE-2023-3076

A public proof of concept exists; no exploitation attested.

  • Published2023-07-10
  • Fixed in3.9.9
  • WeaknessCWE-862

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

The MStore API WordPress plugin before 3.9.9 does not prevent visitors from creating user accounts with the role of their choice via their wholesale REST API endpoint. This is only exploitable if the site owner paid to access the plugin's pro features.

Timeline

dates in UTC
  1. 2023-07-1016:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-11-03 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2023-3076?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2023-3076?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Inspireui mstore api
BranchAffectedFixed in
3.9< 3.9.93.9.9

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

  1. Update Inspireui mstore api to 3.9.9

Detection

read 2026-11-02 22:42 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
1 repository, unverifiedim-hanzou/MSAPer
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2023-07-10
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-gwr5-qqvh-c57m

Frequently asked questions

What is CVE-2023-3076?

The MStore API WordPress plugin before 3.9.9 does not prevent visitors from creating user accounts with the role of their choice via their wholesale REST API endpoint. This is only exploitable if the site owner paid to access the plugin's pro features.

Is CVE-2023-3076 actively exploited?

A proof-of-concept exploit exists for CVE-2023-3076, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2023-3076?

CVE-2023-3076 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».

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Sources for this record