Cross-site Scripting Vulnerability in Netgate pfSense CE
CVE-2024-57273

5.4MEDIUM

Key Information:

Vendor

Netgate

Status
pfSense CE
Vendor
CVE Published:
14 May 2025

What is CVE-2024-57273?

Netgate pfSense CE, prior to the 2.8.0 beta release, is susceptible to a Cross-site scripting (XSS) vulnerability in its Automatic Configuration Backup (ACB) service. This security flaw allows remote attackers to exploit an unsanitized 'reason' field, potentially executing arbitrary JavaScript, deleting backups, or leaking sensitive information. Furthermore, a derived device key based on the public SSH key can be exploited, amplifying the risk. Users are advised to update to the latest version to mitigate these vulnerabilities.

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References

http://netgate.com
https://blog.brillantit.com/exploiting-pfsense-xss-comman...
https://www.netgate.com/blog/important-security-updates-f...

CVSS V3.1

Score:
5.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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