id: CVE-2020-22840 info: name: b2evolution CMS <6.11.6 - Open Redirect author: geeknik severity: medium description: b2evolution CMS before 6.11.6 contains an open redirect vulnerability via the redirect_to parameter in email_passthrough.php. An attacker can redirect a user to a malicious site and possibly obtain sensitive information, modify data, and/or execute unauthorized operations. reference: - https://github.com/b2evolution/b2evolution/issues/102 - http://packetstormsecurity.com/files/161362/b2evolution-CMS-6.11.6-Open-Redirection.html - https://www.exploit-db.com/exploits/49554 - https://nvd.nist.gov/vuln/detail/CVE-2020-22840 classification: cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N cvss-score: 6.1 cve-id: CVE-2020-22840 cwe-id: CWE-601 cpe: cpe:2.3:a:b2evolution:b2evolution:*:*:*:*:*:*:*:* epss-score: 0.00649 tags: packetstorm,edb,cve,cve2020,redirect,b2evolution metadata: max-request: 1 http: - method: GET path: - "{{BaseURL}}/email_passthrough.php?email_ID=1&type=link&email_key=5QImTaEHxmAzNYyYvENAtYHsFu7fyotR&redirect_to=http%3A%2F%2Finteract.sh" matchers: - type: regex regex: - '(?m)^(?:Location\s*?:\s*?)(?:https?://|//)?(?:[a-zA-Z0-9\-_]*\.)?interact\.sh(?:\s*?)$' part: header # Enhanced by md on 2022/10/13