Reflected cross-site scripting vulnerability (XSS) in the evoadm.php file in b2evolution…
Priority LOW 35CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- 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-79.
Summary
Reflected cross-site scripting vulnerability (XSS) in the evoadm.php file in b2evolution cms version 6.11.6-stable allows remote attackers to inject arbitrary webscript or HTML code via the tab3 parameter.
Why it matters now
EPSS 0.0455 91st percentileScored 2026-11-07
Public exploit Yes 3 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_cms:6.11.6:*:*:*:*:*:*:* | 6.11.6 | Vulnerable | B2Evolution |
- cpe:2.3:a:b2evolution:b2evolution_cms:6.11.6:*:*:*:*:*:*:* Versions 6.11.6 Vulnerable ·B2Evolution
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-22839
- 2026-10-03 Alias added: GHSA-8q43-j9qm-qm7q
References
More B2evolution Cms vulnerabilities
- TI-2022-21660 In b2evolution 7.2.5, if configured with admins_can_manipulate_sensitive_files, arbitrary… CVSS 3.1HIGH 7.2
- TI-2021-11721 b2evolution CMS v7.2.3 was discovered to contain a SQL injection vulnerability via the… CVSS 3.1CRITICAL 9.8
- TI-2021-11720 b2evolution CMS v7.2.3 was discovered to contain a Cross-Site Request Forgery (CSRF) via… CVSS 3.1HIGH 8.8
Sources
- CVE-2020-22839 · CVE Program
- CVE-2020-22839 · NVD
- FIRST EPSS
- GHSA-8q43-j9qm-qm7q · GitHub Advisory Database · CC BY 4.0
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