CVE-2019-25323

Heatmiser Netmonitor 3.03 - HTML Injection

CVSS 5.1 MEDIUMEPSS 0.2%CWE-79

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 5.1EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

12 Feb 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N

Affected products

Heatmiser · Heatmiser Netmonitor

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References

https://web.archive.org/web/20190724160628/https://www.heatmiser.com/en/https://www.exploit-db.com/exploits/47828 https://www.vulncheck.com/advisories/heatmiser-netmonitor-html-injection https://www.zoneregeling.nl/heatmiser/netmonitor-handleiding.pdf