Reflected XSS in the backurl parameter of Zabbix Frontend
Priority LOW 29CWE-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
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
An unauthenticated user can create a link with reflected Javascript code inside the backurl parameter and send it to other authenticated users in order to create a fake account with predefined login, password and role in Zabbix Frontend.
Why it matters now
EPSS 0.00795 56th percentileScored 2026-11-07
Fix Fixed Frontend (Zabbix): 6.0.7rc1, 6.2.1rc1
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 |
|---|---|---|---|---|---|
| Zabbix | Frontend | 6.0.0-6.0.6; 6.2.0 | 6.0.7rc1, 6.2.1rc1 | Patch available | CNA |
- Frontend VendorZabbix Affected 6.0.0-6.0.6; 6.2.0 Fixed in 6.0.7rc1, 6.2.1rc1 Patch available CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:zabbix:zabbix:*:*:*:*:*:*:*:* | 6.0.0 – 6.0.6 | Vulnerable | Zabbix |
| cpe:2.3:a:zabbix:zabbix:6.2.0:*:*:*:*:*:*:* | 6.2.0 | Vulnerable | Zabbix |
| cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:* | 37 | Vulnerable | Fedoraproject |
- cpe:2.3:a:zabbix:zabbix:*:*:*:*:*:*:*:* Versions 6.0.0 – 6.0.6 Vulnerable ·Zabbix
- cpe:2.3:a:zabbix:zabbix:6.2.0:*:*:*:*:*:*:* Versions 6.2.0 Vulnerable ·Zabbix
- cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:* Versions 37 Vulnerable ·Fedoraproject
Remediation
- Fix · CNA Frontend (Zabbix) Fixed in 6.0.7rc1, 6.2.1rc1
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2022-40626
- 2026-10-03 Alias added: GHSA-3g95-xf53-275x
References
Advisory 1
More Zabbix vulnerabilities
- TI-2022-07300 Authentication bypass by spoofing in Zabbix Frontend KEVCVSS 3.1CRITICAL 9.8
- TI-2024-28315 SQL injection in user.get API CVSS 3.1CRITICAL 9.9
- TI-2016-08210 SQL injection vulnerability in Zabbix before 2.2.14 and 3.0 before 3.0.4 allows remote… CVSS 3.0CRITICAL 9.8
- TI-2013-04884 Multiple SQL injection vulnerabilities in Zabbix 1.8.x before 1.8.18rc1, 2.0.x before 2.0.9rc1, and 2.1.x before 2.1.7. CVSS 3.1CRITICAL 9.8
- TI-2022-07303 Possible view of the setup pages by unauthenticated users if config file already exists KEVCVSS 3.1MEDIUM 5.3
- TI-2024-14721 Time Based SQL Injection in Zabbix Server Audit Log CVSS 3.1CRITICAL 9.1
Sources
- CVE-2022-40626 · CVE Program
- CVE-2022-40626 · NVD
- FIRST EPSS
- GHSA-3g95-xf53-275x · GitHub Advisory Database · CC BY 4.0
- CVE-2022-40626 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences