{"cve":"CVE-2021-43306","nvd":{"published":"2022-06-02T14:15:30.923","modified":"2026-06-17T04:10:49.497","status":"Modified","description":"An exponential ReDoS (Regular Expression Denial of Service) can be triggered in the jquery-validation npm package, when an attacker is able to supply arbitrary input to the url2 method","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://research.jfrog.com/vulnerabilities/jquery-validation-redos-xray-211348/","https://research.jfrog.com/vulnerabilities/jquery-validation-redos-xray-211348/"],"products":["jqueryvalidation:jquery_validation"],"source":"nvd","synced_at":"2026-10-19T21:31:59.322382750+00:00"},"epss":{"cve":"CVE-2021-43306","score":0.01523,"percentile":0.74632,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-j9m2-h2pv-wvph","url":"https://osv.dev/vulnerability/GHSA-j9m2-h2pv-wvph","summary":"Regular expression denial of service in jquery-validation","modified":"2024-11-12T14:55:23Z","packages":[{"ecosystem":"npm","name":"jquery-validation","purl":"pkg:npm/jquery-validation","ranges":["<1.19.4"],"fixed":["1.19.4"]}]}],"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."]}