{"id":"CVE-2026-16041","aliases":["EUVD-2026-54388","GHSA-9px3-jf5v-3473"],"status":"published","title":"MStore API \u003c 4.21.0 - Unauthenticated Product Review Creation","description":"The MStore API  WordPress plugin before 4.21.0 does not perform authorization or purchase-ownership checks on its REST product-review creation route, allowing an unauthenticated attacker to create WooCommerce product reviews with an attacker-chosen reviewer name, email and star rating on stores configured to accept reviews only from verified owners.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00358,"percentile":0.29895,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-862"],"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/0e7d8a17-0901-45b5-959c-2c1ef1316047/","tags":["exploit","vdb-entry","technical-description"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-16041"},{"url":"https://wpscan.com/vulnerability/0e7d8a17-0901-45b5-959c-2c1ef1316047"},{"url":"https://github.com/advisories/GHSA-9px3-jf5v-3473"}],"sources":{"cve":[{"id":"CVE-2026-16041","title":"MStore API \u003c 4.21.0 - Unauthenticated Product Review Creation","description":"The MStore API  WordPress plugin before 4.21.0 does not perform authorization or purchase-ownership checks on its REST product-review creation route, allowing an unauthenticated attacker to create WooCommerce product reviews with an attacker-chosen reviewer name, email and star rating on stores configured to accept reviews only from verified owners.","status":"published","published":"2026-08-07T06:00:13.619Z","modified":"2026-08-07T18:13:51.411Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"adp"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:20:10.870108Z"}],"euvd":[{"id":"EUVD-2026-54388","description":"The MStore API  WordPress plugin before 4.21.0 does not perform authorization or purchase-ownership checks on its REST product-review creation route, allowing an unauthenticated attacker to create WooCommerce product reviews with an attacker-chosen reviewer name, email and star rating on stores configured to accept reviews only from verified owners.","status":"published","published":"2026-08-07T06:00:13Z","modified":"2026-08-07T18:13:51Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T18:02:06.573967Z"}],"ghsa":[{"id":"GHSA-9px3-jf5v-3473","title":"The MStore API  WordPress plugin before 4.21.0 does not perform authorization or purchase...","description":"The MStore API  WordPress plugin before 4.21.0 does not perform authorization or purchase-ownership checks on its REST product-review creation route, allowing an unauthenticated attacker to create WooCommerce product reviews with an attacker-chosen reviewer name, email and star rating on stores configured to accept reviews only from verified owners.","status":"published","published":"2026-08-07T06:30:28Z","modified":"2026-08-07T21:30:33Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T15:10:12.306859Z"}],"nvd":[{"id":"CVE-2026-16041","description":"The MStore API  WordPress plugin before 4.21.0 does not perform authorization or purchase-ownership checks on its REST product-review creation route, allowing an unauthenticated attacker to create WooCommerce product reviews with an attacker-chosen reviewer name, email and star rating on stores configured to accept reviews only from verified owners.","status":"published","published":"2026-08-07T06:16:56.167Z","modified":"2026-08-26T16:31:16.753Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:12:35.386166Z"}]}}