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Medium5.4Netgate pfSense

Medium [CVE-2024-57273] Netgate pfSense CE (prior to 2.8.0 beta release) and corresponding Plus builds is vulnerable to Cross-site scripting (XSS) in…

This medium-severity Netgate pfSense advisory covers CVE-2024-57273 affecting pfSense, pfSense CE, Netgate.

CVE-2024-57273 Published May 14, 2025Updated by vendor Jul 5, 2026
Affected products & platforms
Netgate pfSensepfSense PluspfSense CE
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Summary

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.

Affected versions
  • 2.8.0

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Fixed versions
  • 2.8.0

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Mitigation

Upgrade to a fixed release: 2.8.0. That is the remediation for this advisory.

The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

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