{"cve":"CVE-2021-3804","nvd":{"published":"2021-09-17T07:15:09.213","modified":"2026-06-17T04:05:48.017","status":"Modified","description":"taro is vulnerable to Inefficient Regular Expression Complexity","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-1333"],"references":["https://github.com/nervjs/taro/commit/acadb6c826ba57f2030a626f1de4f7b4608fcdb5","https://huntr.dev/bounties/0ebe85e6-cc85-42b8-957e-18d8df277414","https://github.com/nervjs/taro/commit/acadb6c826ba57f2030a626f1de4f7b4608fcdb5","https://huntr.dev/bounties/0ebe85e6-cc85-42b8-957e-18d8df277414"],"products":["taro:taro"],"source":"nvd","synced_at":"2026-10-19T21:23:41.316049955+00:00"},"epss":{"cve":"CVE-2021-3804","score":0.01262,"percentile":0.69667,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-468q-v4jj-485h","url":"https://osv.dev/vulnerability/GHSA-468q-v4jj-485h","summary":"Inefficient Regular Expression Complexity in taro","modified":"2023-11-08T04:06:25.187832Z","packages":[{"ecosystem":"npm","name":"@tarojs/helper","purl":"pkg:npm/%40tarojs/helper","ranges":["<3.3.9"],"fixed":["3.3.9"]}]}],"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."]}