{"id":"CVE-2026-16039","aliases":["EUVD-2026-54387","GHSA-wgmj-93jg-87w3"],"status":"published","title":"MStore API \u003c 4.21.0 - Subscriber+ Order and Customer PII Disclosure via IDOR","description":"The MStore API  WordPress plugin before 4.21.0 does not restrict its vendor-orders endpoint to the caller's own orders, allowing any authenticated user, including Subscribers, to read every WooCommerce order in the store together with each customer's personal information.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.0034,"percentile":0.27861,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-639"],"published":"2026-08-07T06:00:13Z","modified":"2026-08-26T16:31:16Z","products":[{"vendor":"mstore","product":"mstore api"},{"vendor":"unknown","product":"mstore api"}],"references":[{"url":"https://wpscan.com/vulnerability/85c6ff37-4761-420c-970f-05b2c50d3b28/","tags":["exploit","vdb-entry","technical-description"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-16039"},{"url":"https://wpscan.com/vulnerability/85c6ff37-4761-420c-970f-05b2c50d3b28"},{"url":"https://github.com/advisories/GHSA-wgmj-93jg-87w3"}],"sources":{"cve":[{"id":"CVE-2026-16039","title":"MStore API \u003c 4.21.0 - Subscriber+ Order and Customer PII Disclosure via IDOR","description":"The MStore API  WordPress plugin before 4.21.0 does not restrict its vendor-orders endpoint to the caller's own orders, allowing any authenticated user, including Subscribers, to read every WooCommerce order in the store together with each customer's personal information.","status":"published","published":"2026-08-07T06:00:13.44Z","modified":"2026-08-07T18:05:37.27Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"adp"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T14:20:10.870108Z"}],"euvd":[{"id":"EUVD-2026-54387","description":"The MStore API  WordPress plugin before 4.21.0 does not restrict its vendor-orders endpoint to the caller's own orders, allowing any authenticated user, including Subscribers, to read every WooCommerce order in the store together with each customer's personal information.","status":"published","published":"2026-08-07T06:00:13Z","modified":"2026-08-07T18:05:37Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T18:02:06.930016Z"}],"ghsa":[{"id":"GHSA-wgmj-93jg-87w3","title":"The MStore API  WordPress plugin before 4.21.0 does not restrict its vendor-orders endpoint to...","description":"The MStore API  WordPress plugin before 4.21.0 does not restrict its vendor-orders endpoint to the caller's own orders, allowing any authenticated user, including Subscribers, to read every WooCommerce order in the store together with each customer's personal information.","status":"published","published":"2026-08-07T06:30:28Z","modified":"2026-08-07T18:32:48Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T15:10:11.66732Z"}],"nvd":[{"id":"CVE-2026-16039","description":"The MStore API  WordPress plugin before 4.21.0 does not restrict its vendor-orders endpoint to the caller's own orders, allowing any authenticated user, including Subscribers, to read every WooCommerce order in the store together with each customer's personal information.","status":"published","published":"2026-08-07T06:16:56.06Z","modified":"2026-08-26T16:31:16.753Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T14:12:35.386166Z"}]}}