{"cve":"CVE-2021-31897","nvd":{"published":"2021-05-11T13:15:12.690","modified":"2026-06-17T03:52:26.987","status":"Modified","description":"In JetBrains WebStorm before 2021.1, code execution without user confirmation was possible for untrusted projects.","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":[],"references":["https://blog.jetbrains.com","https://blog.jetbrains.com/blog/2021/05/07/jetbrains-security-bulletin-q1-2021/","https://blog.jetbrains.com","https://blog.jetbrains.com/blog/2021/05/07/jetbrains-security-bulletin-q1-2021/"],"products":["jetbrains:webstorm"],"source":"nvd","synced_at":"2026-10-19T21:18:09.669877188+00:00"},"epss":{"cve":"CVE-2021-31897","score":0.01541,"percentile":0.7494,"date":"2026-11-01"},"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."]}