CVE-2020-22840
MEDIUM
6.1
CVSS Score
Published: February 9, 2021 at 01:09 PM UTC
Updated: June 17, 2026 at 03:04 AM UTC
1 product affected across 1 vendorB2Evolution
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Severity
MEDIUM6.1
Exploit prediction
EPSS 14%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 6.11.6
Affected range stops below 6.11.6, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.
References (3)
x_refsource_MISCExploitThird Party AdvisoryVDB Entry
Source: [email protected]
http://packetstormsecurity.com/files/161362/b2evolution-CMS-6.11.6-Open-Redirection.htmlx_refsource_MISCThird Party Advisory
Source: [email protected]
https://github.com/b2evolution/b2evolution/issues/102x_refsource_MISCExploitThird Party AdvisoryVDB Entry
Source: [email protected]
https://www.exploit-db.com/exploits/49554CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- CHANGED
- Confidentiality
- LOW
- Integrity
- LOW
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-601
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