PatchTheCVECVE-2019-9834: The Netdata web application through 1.13.0 allows remote attackers to inject their own malicious HTML code int
CVE-2019-9834 is a medium-severity flaw (CVSS 6.1) affecting netdata. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
The Netdata web application through 1.13.0 allows remote attackers to inject their own malicious HTML code into an imported snapshot, aka HTML Injection. Successful exploitation will allow attacker-supplied HTML to run in the context of the affected browser, potentially allowing the attacker to steal authentication credentials or to control how the site is rendered to the user. NOTE: the vendor disputes the risk because there is a clear warning n
Why this priority
- EPSS top 7%: very likely to be exploited
- Public exploit reference
A fixed release or distro patch exists.
Risk facts
| CVSS score | 6.1 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 6.2% (top 7%) |
| CISA exploited list | No |
| Weakness | CWE-79 |
| Published | 2019-03-15 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Public exploits and detection
Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.
- Exploit-DB: NetData 1.13.0 - HTML Injection
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2019-9834?
netdata: upgrade to newer than 1.13.0. Exact commands for each OS are on this page.
Is CVE-2019-9834 being exploited?
CVE-2019-9834 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2019-9834 affect?
CVE-2019-9834 affects netdata. Severity is medium (CVSS 6.1). The Netdata web application through 1.13.0 allows remote attackers to inject their own malicious HTML code into an imported snapshot, aka HTML Injection. Successful exploitation will allow attacker-supplied HTML to run in the context of the
How urgent is CVE-2019-9834?
Priority 50/100. EPSS top 7%: very likely to be exploited; Public exploit reference
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