{"id":"CVE-2026-16039","state":"PUBLISHED","title":"MStore API < 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.","publishedAt":"2026-08-07T06:00:13.440Z","updatedAt":"2026-08-07T18:05:37.270Z","severity":{"score":6.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","source":"CISA-ADP"},"assigner":"WPScan","products":["Unknown MStore API"],"affected":[{"vendor":"Unknown","product":"MStore API","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"4.21.0","versionType":"semver"}]}],"references":["https://wpscan.com/vulnerability/85c6ff37-4761-420c-970f-05b2c50d3b28/"],"weaknesses":["CWE-639"],"ingestedAt":"2026-10-29T20:11:00.674Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/16xxx/CVE-2026-16039.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-16039","state":"PUBLISHED","datePublished":"2026-08-07T06:00:13.440Z","dateUpdated":"2026-08-07T18:05:37.270Z","assignerShortName":"WPScan","assignerOrgId":"1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81","dateReserved":"2026-07-17T09:20:57.280Z"},"containers":{"cna":{"title":"MStore API < 4.21.0 - Subscriber+ Order and Customer PII Disclosure via IDOR","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"Unknown","product":"MStore API","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"4.21.0","versionType":"semver"}]}],"references":[{"url":"https://wpscan.com/vulnerability/85c6ff37-4761-420c-970f-05b2c50d3b28/","tags":["exploit","vdb-entry","technical-description"]}],"problemTypes":[{"descriptions":[{"description":"CWE-639 Authorization Bypass Through User-Controlled Key","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"WPScan","orgId":"1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81","dateUpdated":"2026-08-07T06:00:13.440Z"},"credits":[{"lang":"en","value":"Sai Praneeth Koti","type":"finder"},{"lang":"en","value":"WPScan","type":"coordinator"}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"WPScan CVE Generator"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":6.5,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"LOW","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-08-07T18:05:09.328346Z","id":"CVE-2026-16039","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-639","type":"CWE","lang":"en","description":"CWE-639 Authorization Bypass Through User-Controlled Key"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-07T18:05:37.270Z"}}]}}}