What’s Vulnerable › Vulnerabilities

CVE-2019-12584

• Severity: medium (CVSS 6.1 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-06-03 · updated 2026-06-17
• Weakness: CWE-79

Description

Apcupsd 0.3.91_5, as used in pfSense through 2.4.4-RELEASE-p3 and other products, has an XSS issue in apcupsd_status.php.

Affected products

• apcupsd: 0.3.91_5
• Netgate pfSense: before 2.4.4; 2.4.4, 2.4.4-p1, 2.4.4-p2, 2.4.4-p3 — fixed in 2.4.4

How to fix

Upgrade to a fixed version: Netgate pfSense 2.4.4. Check the vendor advisory for mitigations.

References

• https://ctrsec.io/index.php/2019/05/28/cve-2019-12584-12585-command-injection-vulnerability-on-pfsense-2-4-4-release-p3/
• https://github.com/pfsense/FreeBSD-ports/commit/b492c0ea47aba8dde2f14183e71498ba207594e3
• https://redmine.pfsense.org/issues/9556
• https://ctrsec.io/index.php/2019/05/28/cve-2019-12584-12585-command-injection-vulnerability-on-pfsense-2-4-4-release-p3/
• https://github.com/pfsense/FreeBSD-ports/commit/b492c0ea47aba8dde2f14183e71498ba207594e3
• https://redmine.pfsense.org/issues/9556

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