{"cve":"CVE-2020-28339","nvd":{"published":"2020-11-07T19:15:12.880","modified":"2026-06-17T03:10:18.207","status":"Modified","description":"The usc-e-shop (aka Collne Welcart e-Commerce) plugin before 1.9.36 for WordPress allows Object Injection because of usces_unserialize. There is not a complete POP chain.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-502"],"references":["https://wordpress.org/plugins/usc-e-shop/#developers","https://www.wordfence.com/blog/2020/11/object-injection-vulnerability-in-welcart-e-commerce-plugin/","https://wordpress.org/plugins/usc-e-shop/#developers","https://www.wordfence.com/blog/2020/11/object-injection-vulnerability-in-welcart-e-commerce-plugin/"],"products":["welcart:welcart_e-commerce"],"source":"nvd","synced_at":"2026-10-19T21:11:20.317016139+00:00"},"epss":{"cve":"CVE-2020-28339","score":0.01902,"percentile":0.79692,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}