{"cve":"CVE-2020-22840","nvd":{"published":"2021-02-09T14:15:14.903","modified":"2026-06-17T03:04:24.260","status":"Modified","description":"Open redirect vulnerability in b2evolution CMS version prior to 6.11.6 allows an attacker to perform malicious open redirects to an attacker controlled resource via redirect_to parameter in email_passthrough.php.","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":["http://packetstormsecurity.com/files/161362/b2evolution-CMS-6.11.6-Open-Redirection.html","https://github.com/b2evolution/b2evolution/issues/102","https://www.exploit-db.com/exploits/49554","http://packetstormsecurity.com/files/161362/b2evolution-CMS-6.11.6-Open-Redirection.html","https://github.com/b2evolution/b2evolution/issues/102"],"products":["b2evolution:b2evolution"],"source":"nvd","synced_at":"2026-10-19T21:14:10.479542811+00:00"},"epss":{"cve":"CVE-2020-22840","score":0.13817,"percentile":0.9652,"date":"2026-10-31"},"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."]}