{"id":"CVE-2022-4237","aliases":["EUVD-2022-51595","GHSA-x65c-cg4w-m3j6"],"status":"published","title":"Welcart e-Commerce \u003c 2.8.6 - Subscriber+ PHAR Deserialisation","description":"The Welcart e-Commerce WordPress plugin before 2.8.6 does not validate user input before using it in file_exist() functions via various AJAX actions available to any authenticated users, which could allow users with a role as low as subscriber to perform PHAR deserialisation when they can upload a file and a suitable gadget chain is present on the blog","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.0115,"percentile":0.671,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-502"],"published":"2023-01-02T21:49:40Z","modified":"2026-06-17T05:20:20Z","products":[{"vendor":"nanbu","product":"welcart e-commerce"},{"vendor":"unknown","product":"welcart e-commerce"},{"vendor":"welcart","product":"welcart_e-commerce"}],"references":[{"url":"https://wpscan.com/vulnerability/7a4b790c-49ae-46bc-9544-e188deae243f","tags":["exploit","vdb-entry","technical-description","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-4237"},{"url":"https://github.com/advisories/GHSA-x65c-cg4w-m3j6"}],"sources":{"cve":[{"id":"CVE-2022-4237","title":"Welcart e-Commerce \u003c 2.8.6 - Subscriber+ PHAR Deserialisation","description":"The Welcart e-Commerce WordPress plugin before 2.8.6 does not validate user input before using it in file_exist() functions via various AJAX actions available to any authenticated users, which could allow users with a role as low as subscriber to perform PHAR deserialisation when they can upload a file and a suitable gadget chain is present on the blog","status":"published","published":"2023-01-02T21:49:40.901Z","modified":"2025-04-10T18:35:37.52Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"updated_at":"2026-11-02T14:34:37.932195Z"}],"euvd":[{"id":"EUVD-2022-51595","description":"The Welcart e-Commerce WordPress plugin before 2.8.6 does not validate user input before using it in file_exist() functions via various AJAX actions available to any authenticated users, which could allow users with a role as low as subscriber to perform PHAR deserialisation when they can upload a file and a suitable gadget chain is present on the blog","status":"published","published":"2023-01-02T21:49:40Z","modified":"2025-04-10T18:35:37Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T20:52:35.819125Z"}],"ghsa":[{"id":"GHSA-x65c-cg4w-m3j6","title":"The Welcart e-Commerce WordPress plugin before 2.8.6 does not validate user input before using it...","description":"The Welcart e-Commerce WordPress plugin before 2.8.6 does not validate user input before using it in file_exist() functions via various AJAX actions available to any authenticated users, which could allow users with a role as low as subscriber to perform PHAR deserialisation when they can upload a file and a suitable gadget chain is present on the blog","status":"published","published":"2023-01-03T00:30:44Z","modified":"2023-02-02T05:01:20Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:51:09.730353Z"}],"nvd":[{"id":"CVE-2022-4237","description":"The Welcart e-Commerce WordPress plugin before 2.8.6 does not validate user input before using it in file_exist() functions via various AJAX actions available to any authenticated users, which could allow users with a role as low as subscriber to perform PHAR deserialisation when they can upload a file and a suitable gadget chain is present on the blog","status":"published","published":"2023-01-02T22:15:16.63Z","modified":"2026-06-17T05:20:20.347Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"updated_at":"2026-11-02T14:07:34.758863Z"}]}}