CVE-2020-22840

medium

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.

References

https://www.exploit-db.com/exploits/49554

https://github.com/b2evolution/b2evolution/issues/102

http://packetstormsecurity.com/files/161362/b2evolution-CMS-6.11.6-Open-Redirection.html

Details

Source: Mitre, NVD

Published: 2021-02-09

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 5.8

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 6.1

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N