CVE-2023-3277: The MStore API plugin for WordPress is vulnerable to Unauthorized Account Access and Privilege Escalation in versions up to, and including, 4.10.7 due to improper implementation of the Apple login fea

critical Affects mstore-api (WordPress plugin). Feed 2026.10.29.1, updated 2026-10-28; published ; advisory modified .

The MStore API plugin for WordPress is vulnerable to Unauthorized Account Access and Privilege Escalation in versions up to, and including, 4.10.7 due to improper implementation of the Apple login fea

Package
mstore-api (WordPress plugin) WordPress
Affected versions
<=4.10.7
Fixed in
no fix recorded
Severity
critical  CVSS 9.8
Exploitation
not on CISA KEV · EPSS 3% (86.8th percentile)
Published
2023-11-03
Source
nvd

References

CWE-288
NVD recordmstore-api (WordPress plugin) advisories

Am I affected?

Find out in one command. phpwarden checks your WordPress install against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# one-time install
pip install phpwarden

# then
phpwarden wordpress /var/www/html

Or keep it checked automatically with the GitHub Action or a nightly cron; see WordPress docs.

Install docs   How findings are ranked

Related advisories