{"id":"CVE-2023-2734","url":"https://www.cyber-defence.io/tools/cve/CVE-2023-2734","generatedAt":"2026-10-23T18:06:54.547Z","title":"The MStore API plugin for WordPress is vulnerable to authentication bypass in versions up to, and including, 3.9.1.","description":"The MStore API plugin for WordPress is vulnerable to authentication bypass in versions up to, and including, 3.9.1. This is due to insufficient verification on the user being supplied during the cart sync from mobile REST API request through the plugin. This makes it possible for unauthenticated attackers to log in as any existing user on the site, such as an administrator, if they have access to the user id.","published":"2023-05-25T03:15:09.000Z","lastModified":"2026-06-17T05:53:19.000Z","status":"Modified","sourceIdentifier":"security@wordfence.com","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-288"],"affected":["inspireui/mstore api"],"epss":{"score":0.03805,"percentile":0.89972,"date":"2026-10-22","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (3.81%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://plugins.trac.wordpress.org/browser/mstore-api/tags/3.9.0/controllers/flutter-woo.php#L911","tags":["Patch"],"source":"security@wordfence.com"},{"url":"https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=2915729%40mstore-api&old=2913397%40mstore-api&sfp_email=&sfph_mail=#file59","tags":["Patch"],"source":"security@wordfence.com"},{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/5881d16c-84e8-4610-8233-cfa5a94fe3f9?source=cve","tags":["Third Party Advisory"],"source":"security@wordfence.com"},{"url":"https://plugins.trac.wordpress.org/browser/mstore-api/tags/3.9.0/controllers/flutter-woo.php#L911","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=2915729%40mstore-api&old=2913397%40mstore-api&sfp_email=&sfph_mail=#file59","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/5881d16c-84e8-4610-8233-cfa5a94fe3f9?source=cve","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-2734","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}