An authenticated Cross-Site Scripting (XSS) vulnerability was found in…
Priority LOW 27CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- 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
An authenticated Cross-Site Scripting (XSS) vulnerability was found in widgets/widgets/wake_on_lan_widget.php, a component of the pfSense software WebGUI, on version 2.4.4-p2 and earlier. The widget did not encode the descr (description) parameter of wake-on-LAN entries in its output, leading to a possible stored XSS.
Why it matters now
EPSS 0.0105 64th percentileScored 2026-11-07
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 · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:netgate:pfsense:*:*:*:*:*:*:*:* | before 2.4.4 | Vulnerable | Netgate |
| cpe:2.3:a:netgate:pfsense:2.4.4:-:*:*:*:*:*:* | 2.4.4 | Vulnerable | Netgate |
| cpe:2.3:a:netgate:pfsense:2.4.4:p1:*:*:*:*:*:* | 2.4.4 p1 | Vulnerable | Netgate |
| cpe:2.3:a:netgate:pfsense:2.4.4:p2:*:*:*:*:*:* | 2.4.4 p2 | Vulnerable | Netgate |
- cpe:2.3:a:netgate:pfsense:*:*:*:*:*:*:*:* Versions before 2.4.4 Vulnerable ·Netgate
- cpe:2.3:a:netgate:pfsense:2.4.4:-:*:*:*:*:*:* Versions 2.4.4 Vulnerable ·Netgate
- cpe:2.3:a:netgate:pfsense:2.4.4:p1:*:*:*:*:*:* Versions 2.4.4 p1 Vulnerable ·Netgate
- cpe:2.3:a:netgate:pfsense:2.4.4:p2:*:*:*:*:*:* Versions 2.4.4 p2 Vulnerable ·Netgate
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-19203
- 2026-10-03 Alias added: GHSA-4wj2-v574-g827
References
More Netgate Pfsense vulnerabilities
- TI-2023-12003 A command injection vulnerability in the function restore_rrddata() of Netgate pfSense… CVSS 3.1HIGH 8.8
- TI-2024-31010 A cross-site scripting (XSS) vulnerability in pfsense v2.5.2 allows attackers to execute… CVSS 3.1CRITICAL 9.3
- TI-2023-26046 An issue in Netgate pfSense Plus v.23.05.1 and before and pfSense CE v.2.7.0 allows a… CVSS 3.1HIGH 8.8
- TI-2023-22567 An issue in Netgate pfSense v.2.7.0 allows a remote attacker to execute arbitrary code… CVSS 3.1HIGH 8.8
- TI-2019-12464 diag_command.php in pfSense 2.4.4-p3 allows CSRF via the txtCommand or txtRecallBuffer… CVSS 3.1HIGH 8.8
- TI-2018-02989 OS command injection in Netgate pfSense CVSS 3.1HIGH 7.2
Sources
- CVE-2020-19203 · CVE Program
- CVE-2020-19203 · NVD
- FIRST EPSS
- GHSA-4wj2-v574-g827 · GitHub Advisory Database · CC BY 4.0
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