{"cve":"CVE-2021-23495","nvd":{"published":"2022-02-25T20:15:08.130","modified":"2026-06-17T03:38:48.183","status":"Modified","description":"The package karma before 6.3.16 are vulnerable to Open Redirect due to missing validation of the return_url query parameter.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","score":6.1},"cwes":["CWE-601"],"references":["https://github.com/karma-runner/karma/commit/ff7edbb2ffbcdd69761bece86b7dc1ef0740508d","https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-2412347","https://snyk.io/vuln/SNYK-JS-KARMA-2396325","https://github.com/karma-runner/karma/commit/ff7edbb2ffbcdd69761bece86b7dc1ef0740508d","https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-2412347"],"products":["karma_project:karma"],"source":"nvd","synced_at":"2026-10-19T21:28:04.509275555+00:00"},"epss":{"cve":"CVE-2021-23495","score":0.00884,"percentile":0.59237,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-rc3x-jf5g-xvc5","url":"https://osv.dev/vulnerability/GHSA-rc3x-jf5g-xvc5","summary":"Open redirect in karma","modified":"2025-01-14T09:12:20.734188Z","packages":[{"ecosystem":"npm","name":"karma","purl":"pkg:npm/karma","ranges":["<6.3.16"],"fixed":["6.3.16"]}]}],"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."]}