{"cve":"CVE-2020-28246","nvd":{"published":"2022-06-02T14:15:26.700","modified":"2026-06-17T03:10:14.260","status":"Modified","description":"A Server-Side Template Injection (SSTI) was discovered in Form.io 2.0.0. This leads to Remote Code Execution during deletion of the default Email template URL. NOTE: the email templating service was removed after 2020. Additionally, the vendor disputes this issue indicating this is sandboxed and only executable by admins.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-74"],"references":["https://github.com/formio/enterprise-release/blob/master/API-Server-Change-Log.md","https://github.com/formio/formio","https://github.com/formio/enterprise-release/blob/master/API-Server-Change-Log.md","https://github.com/formio/formio"],"products":["form:form.io"],"source":"nvd","synced_at":"2026-10-19T21:31:59.322382750+00:00"},"epss":{"cve":"CVE-2020-28246","score":0.02436,"percentile":0.84281,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-52vj-mr2j-f8jh","url":"https://osv.dev/vulnerability/GHSA-52vj-mr2j-f8jh","summary":"Server-Side Template Injection in formio","modified":"2024-05-03T20:20:17Z","packages":[{"ecosystem":"npm","name":"formio","purl":"pkg:npm/formio","ranges":["<=2.0.0"],"fixed":[]}]}],"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."]}