Heatmiser Netmonitor 3.03 - HTML Injection
Published Feb 12, 2026
5.1
MEDIUMCVSS 4.0
EPSS 0.23%
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.
Affected products
-
- Version 3.03StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Heatmiser | Heatmiser Netmonitor | n/a |
|
No data.
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
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
1 other source (NVD) ▾
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
PoCAutomatable
YesTechnical Impact
PartialDecision
n/aAssessed Feb 13, 2026 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
Feb–Oct 2026- EPSS v4
- EPSS v5
Percentile over time
- EPSS v4
- EPSS v5
Table of values (3 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 0.23% (0.00233) | 12.90th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.22% (0.00220) | 12.30th | v5 (v2026.06.15) |
| Feb 13, 2026 | 0.03% (0.00030) | 8.18th | v4 (v2025.03.14) |
References (4)
- https://web.archive.org/web/20190724160628/https://www.heatmiser.com/en/ product
- https://www.exploit-db.com/exploits/47828 exploit
- https://www.vulncheck.com/advisories/heatmiser-netmonitor-html-injection third-party-advisory
- https://www.zoneregeling.nl/heatmiser/netmonitor-handleiding.pdf product
| Link | Providers | Tags |
|---|---|---|
| https://web.archive.org/web/20190724160628/https://www.heatmiser.com/en/ | product | |
| https://www.exploit-db.com/exploits/47828 | exploit | |
| https://www.vulncheck.com/advisories/heatmiser-netmonitor-html-injection | third-party-advisory | |
| https://www.zoneregeling.nl/heatmiser/netmonitor-handleiding.pdf | product |
Change history (0)
No recorded changes yet.