Open redirect vulnerability in b2evolution CMS version prior to 6.11.6 allows an attacker…
Priority MEDIUM 42CWE-601Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Spoofing
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-601.
Summary
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.
Why it matters now
EPSS 0.13817 96th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:b2evolution:b2evolution:*:*:*:*:*:*:*:* | before 6.11.6 | Vulnerable | B2Evolution |
- cpe:2.3:a:b2evolution:b2evolution:*:*:*:*:*:*:*:* Versions before 6.11.6 Vulnerable ·B2Evolution
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-22840
- 2026-10-03 Alias added: GHSA-v56p-8m5q-738r
References
More B2evolution vulnerabilities
- TI-2022-12996 An authorization bypass in b2evolution allows remote, unauthenticated attackers to… CVSS 3.1CRITICAL 9.1
- TI-2017-14642 b2evolution version 6.6.0 - 6.8.10 is vulnerable to input validation (backslash and… CVSS 3.0CRITICAL 9.8
- TI-2016-07299 b2evolution 6.7.6 suffer from an Object Injection vulnerability in /htsrv/call_plugin.php. CVSS 3.0CRITICAL 9.8
- TI-2021-09447 SQL Injection in the "evoadm.php" component of b2evolution v7.2.2-stable allows remote… CVSS 3.1HIGH 8.8
- TI-2017-03554 The patch for directory traversal (CVE-2017-5480) in b2evolution version 6.8.4-stable has… CVSS 3.0CRITICAL 9.1
- TI-2017-03500 Directory traversal vulnerability in inc/files/files.ctrl.php in b2evolution through… CVSS 3.0HIGH 8.1
Sources
- CVE-2020-22840 · CVE Program
- CVE-2020-22840 · NVD
- FIRST EPSS
- GHSA-v56p-8m5q-738r · GitHub Advisory Database · CC BY 4.0
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