CVE-2019-12584

MEDIUM

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.

Affects 2 products across 2 vendors.

BCS5.44
CVSS 3.06.1
EPSS2.6%
Percentile83th
PatchUnknown
CVSS Vector — Plain English Remotely exploitable over the network, low complexity, no authentication required, requires user interaction, can impact systems beyond the vulnerable component, no availability impact.
CWE Weakness Definitions
CWE-79: Cross-Site Scripting (XSS)

Attacker injects malicious scripts into web pages viewed by other users, executing in the victim's browser context.

◆ SAGE Intelligence — CITED Relevance Research Team

This vulnerability was disclosed in 2019. A medium severity vulnerability affects Apcupsd systems (CVE-2019-12584). No public exploit code is currently available. Isolate affected systems if patching is not feasible.

BSID: BS-2019-GLOBAL-134430-M • Model: rule-based-v1 • Confidence: MEDIUM

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Frequently Asked Questions
What is CVE-2019-12584?
This vulnerability was disclosed in 2019. A medium severity vulnerability affects Apcupsd systems (CVE-2019-12584). No public exploit code is currently available. Isolate affected systems if patching is not feasible.
What is the CVSS score for CVE-2019-12584?
CVE-2019-12584 has CVSS 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N. EPSS: 2.6%.
Is CVE-2019-12584 actively exploited?
No confirmed active exploitation of CVE-2019-12584 as of 2026-06-22.
How do I remediate CVE-2019-12584?
Priority: MONITOR. Advisory: https://github.com/pfsense/FreeBSD-ports/commit/b492c0ea47aba8dde2f14183e71498ba207594e3
What systems are affected by CVE-2019-12584?
CVE-2019-12584 affects: Apcupsd, Netgate.
Vulnerability Details
CVE IDCVE-2019-12584
BSIDBS-2019-GLOBAL-134430-M BreachSpider Global ID
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Published2019-06-03
Last Modified2026-06-17
ICS Relevance0%
Weakness (CWE)
Cross-Site Scripting (XSS)
SourceNVD
Official 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.

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

Vulnerability details: 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. CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Exploitation Likelihood: MINIMAL

Affected Products
VendorProductFixed Version
Apcupsd Apcupsd —
Netgate Pfsense —
Remediation
View Vendor Advisory →

Remediation Priority: MONITOR

Threat Intelligence
● Threat Intelligence Validated: July 2026 | Threat Age: 2596 Days
CISA KEVNot in KEV catalog
Public ExploitNot confirmed
PoC CodeNot confirmed
SAGE Enrichment Record — provenance & audit hash
Modelrule-based-v1
ConfidenceMEDIUM
Enriched At2026-05-24
SHA-512 Audit Hash871757accc858a648683267d8ecda2413e9bf8c3713ecb64b8a7eb633379a796c7c39fba6016c87f64dceb61d5a16329b294f140fbf9433016bc86b6d5d98d84
Related CVEs affecting Apcupsd
CVE-2003-0098 10.0 Unknown vulnerability in apcupsd before 3.8.6, and 3.10.x before 3.10.5, allo... CVE-2019-12585 9.8 Apcupsd 0.3.91_5, as used in pfSense through 2.4.4-RELEASE-p3 and other produ... CVE-2017-7884 8.4 In Adam Kropelin adk0212 APC UPS Daemon through 3.14.14, the default installa...
View all Apcupsd CVEs →

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