MStore API < 3.2.0 - Authentication Bypass With Sign In With Apple

published 2021-03-18 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-11062

cvss: 9.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 3.4%; EPSS 3.4% chance of exploitation in 30 days, percentile 88%
public exploits: 0; none known

A business logic issue in the MStore API WordPress plugin, versions before 3.2.0, had an authentication bypass with Sign In With Apple allowing unauthenticated users to recover an authentication cookie with only an email address.

Patch / fix

fixed in 1

inspireui mstore_api 3.2.0

Exploit prediction

3.37% chance of exploitation in the next 30 days, higher than 88% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	10.0	AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected products

Unknown MStore API

Classification

Weakness

CWE-287 Improper Authentication

Technology feeds

WordPress rss critical rss

References

wpscan.com /vulnerability/bf5ddc43-974d-41fa-8276-c1a27d3cc882
third-party-advisory

Sources

CVE List CVE-2021-24148
NVD CVE-2021-24148

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary