CVE-2019-25323 - CVE House
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Status published Medium CVE-2019-25323

Heatmiser Netmonitor 3.03 - HTML Injection

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Ismail Tasdelen

References

More from Heatmiser

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CVE-2019-25708
Heatmiser Wifi Thermostat 1.7 Cross-Site Request Forgery
Medium 5.3
CVE-2019-25322
Heatmiser Netmonitor 3.03 - Hardcoded Credentials
Critical 9.3
CVE-2018-25396
Heatmiser Wifi Thermostat 1.7 Credential Disclosure via networkSetup.htm
High 8.7

Affected Vendor

Affected Software

Heatmiser Netmonitor
Vulnerable Versions:
3.03

Timeline

Official Publish: February 12th, 2026
Last Modified: February 13th, 2026
Added to House: July 20th, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weaknesses (CWE)

CWE-79

MITRE ATT&CK TTPs

T1189 Drive-by Compromise
Initial Access
T1059.007 JavaScript
Execution
T1539 Steal Web Session Cookie
Collection
T1213 Data from Information Repositories
Collection
T1567 Exfiltration Over Web Service
Exfiltration
T1491.001 Defacement
Impact