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TI-2020-09196 Aliases CVE-2020-11457GHSA-wjx8-w8hq-76c5

pfSense before 2.4.5 has stored XSS in system_usermanager_addprivs.php in the WebGUI via…

Priority LOW 36CWE-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

pfSense before 2.4.5 has stored XSS in system_usermanager_addprivs.php in the WebGUI via the descr parameter (aka full name) of a user.

Why it matters now

EPSS 0.09282 95th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
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

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:netgate:pfsense:*:*:*:*:*:*:*:*before 2.4.5VulnerableNetgate
  • cpe:2.3:a:netgate:pfsense:*:*:*:*:*:*:*:* Versions before 2.4.5 Vulnerable ·Netgate

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-11457
  2. 2026-10-03 Alias added: GHSA-wjx8-w8hq-76c5

References

Exploit 1

Patch 2

Other 1

  • 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
See all 48 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences