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CVE-2024-57273

Date: May 13, 2025

Netgate pfSense CE (prior to 2.8.0 beta release) and corresponding Plus builds is vulnerable to Cross-site scripting (XSS) in the Automatic Configuration Backup (ACB) service, allowing remote attackers to execute arbitrary JavaScript, delete backups, or leak sensitive information via an unsanitized "reason" field and a derivable device key generated from the public SSH key.

Severity Score

Related Resources (6)

https://nvd.nist.gov/vuln/detail/CVE-2024-57273
http://netgate.com
https://docs.netgate.com/downloads/pfSense-SA-25_03.webgui.asc
https://www.netgate.com/blog/important-security-updates-for-pfsense-plus-24.11-and-ce-2.7.2
https://blog.brillantit.com/exploiting-pfsense-xss-command-injection-cloud-hijack/
https://www.mend.io/vulnerability-database/CVE-2024-57273

Severity Score

Weakness Type (CWE)

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CWE-79

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): REQUIRED
Scope (S): CHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): NONE

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