{"id":"CVE-2021-23388","aliases":["GHSA-c56f-grv3-gpfr","SNYK-JS-FORMS-1296389"],"url":"https://o3.security/vulnerability/CVE-2021-23388","summary":"Regular expression denial of service in forms","details":"The package forms before 1.2.1, from 1.3.0 and before 1.3.2 are vulnerable to Regular Expression Denial of Service (ReDoS) via email validation.","published":"2021-06-01T14:15:08.747Z","modified":"2026-07-09T12:32:45.297250Z","cvss":{"score":5.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"npm","name":"forms","fixedVersion":"1.3.2"}],"fix":{"url":"https://github.com/caolan/forms/pull/214/commits/d4bd5b5febfe49c1f585f162e04ec810f8dc47a0","label":"caolan/forms#214"},"references":[{"type":"ADVISORY","url":"https://github.com/caolan/forms/pull/214"},{"type":"FIX","url":"https://github.com/caolan/forms/pull/214/commits/d4bd5b5febfe49c1f585f162e04ec810f8dc47a0"},{"type":"FIX","url":"https://snyk.io/vuln/SNYK-JS-FORMS-1296389"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-09T12:32:45.297250Z"}}