What is CVE-2019-10771?

CVE-2019-10771 is a medium-severity vulnerability in Iobroker Iobroker.web, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-11-25.

How severe is CVE-2019-10771?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2019-10771 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Iobroker Iobroker.web

CVE-2019-10771

Characters in the GET url path are not properly escaped and can be reflected in the server response.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2019-11-25 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.007 (52.1th percentile), scored 2026-10-26.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 52.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Iobroker Iobroker.web
Iobroker.web — versions All versions prior to version 2.4.10

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

ossf-cve-benchmark/CVE-2019-10771

References

snyk.io/vuln/SNYK-JS-IOBROKERWEB-534971 (Third Party Advisory)

Frequently asked questions

What is CVE-2019-10771?: CVE-2019-10771 is a medium-severity vulnerability in Iobroker Iobroker.web, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-11-25.
How severe is CVE-2019-10771?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2019-10771 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.