{"id":"CVE-2020-22840","aliases":["EUVD-2020-15597","GHSA-v56p-8m5q-738r"],"status":"published","title":"Open redirect vulnerability in b2evolution CMS version prior to 6.11.6 allows an attacker to...","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.","severity":{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.13817,"percentile":0.96566,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-601"],"published":"2021-02-09T13:09:35Z","modified":"2026-10-20T10:52:48Z","exploits":[{"source":"nuclei","id":"CVE-2020-22840","title":"b2evolution CMS \u003c6.11.6 - Open Redirect","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2020/CVE-2020-22840.yaml"}],"products":[{"vendor":"b2evolution","product":"b2evolution"}],"references":[{"url":"https://github.com/b2evolution/b2evolution/issues/102","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"http://packetstormsecurity.com/files/161362/b2evolution-CMS-6.11.6-Open-Redirection.html","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","VDB Entry","evidence"]},{"url":"https://www.exploit-db.com/exploits/49554","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","VDB Entry","evidence"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-22840"},{"url":"https://github.com/advisories/GHSA-v56p-8m5q-738r"}],"sources":{"cve":[{"id":"CVE-2020-22840","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.","status":"published","published":"2021-02-09T13:09:35Z","modified":"2024-08-04T14:51:11.037Z","updated_at":"2026-11-02T14:35:46.873079Z"}],"euvd":[{"id":"EUVD-2020-15597","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.","status":"published","published":"2021-02-09T13:09:35Z","modified":"2024-08-04T14:51:11Z","updated_at":"2026-11-03T03:07:22.274854Z"}],"ghsa":[{"id":"GHSA-v56p-8m5q-738r","title":"Open redirect vulnerability in b2evolution CMS version prior to 6.11.6 allows an attacker to...","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.","status":"published","published":"2022-05-24T17:41:26Z","modified":"2023-01-29T05:05:17Z","cwes":["CWE-601"],"updated_at":"2026-11-02T14:45:45.423268Z"}],"nvd":[{"id":"CVE-2020-22840","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.","status":"published","published":"2021-02-09T14:15:14.903Z","modified":"2026-06-17T03:04:24.26Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":5.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T14:06:34.188486Z"}],"osv":[{"id":"CVE-2020-22840","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.","status":"published","published":"2021-02-09T14:15:14.903Z","modified":"2026-10-20T10:52:48.164444303Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:15.534837Z"}]}}