Medium 6.1Published Feb 12, 2026

CVE-2019-25323Heatmiser Netmonitor 3.03 - HTML Injection

Updated under an hour ago (Oct 25, 2026, 9:40 PM ET)

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No exploitation reported and no EPSS estimate yet.

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Every CVE for Heatmiser Netmonitor

Exploited in the last 30 days

Heatmiser Netmonitor v3.03 contains an HTML injection vulnerability in the outputSetup.htm page that allows attackers to inject malicious HTML code through the outputtitle parameter. Attackers can craft specially formatted POST requests to the outputtitle parameter to execute arbitrary HTML and potentially manipulate the web interface's displayed content.

CVSS: 6.1 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness (CWE): CWE-79
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Deferred
Record last updated: Feb 13, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Heatmiser Heatmiser Netmonitor heatmiser:netmonitor (from the name)	3.03	CNA record

References

https://www.exploit-db.com/exploits/47828exploit
https://web.archive.org/web/20190724160628/https://www.heatmiser.com/en/product
https://www.zoneregeling.nl/heatmiser/netmonitor-handleiding.pdfproduct
https://www.vulncheck.com/advisories/heatmiser-netmonitor-html-injectionthird-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.