CVE-2019-25027

Reflected cross-site scripting in default RouteNotFoundError view in Vaadin 10 and 11-13

Description

Missing output sanitization in default RouteNotFoundError view in com.vaadin:flow-server versions 1.0.0 through 1.0.10 (Vaadin 10.0.0 through 10.0.13), and 1.1.0 through 1.4.2 (Vaadin 11.0.0 through 13.0.5) allows attacker to execute malicious JavaScript via crafted URL

Categories

6.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.37%
Vendor Advisory vaadin.com
Affected: Vaadin Vaadin
Affected: Vaadin flow-server
Published at:
Updated at:

References

Link Tags
https://vaadin.com/security/cve-2019-25027 vendor advisory
https://github.com/vaadin/flow/pull/5498 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2019-25027?
CVE-2019-25027 has been scored as a medium severity vulnerability.
How to fix CVE-2019-25027?
To fix CVE-2019-25027, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-25027 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2019-25027 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2019-25027?
CVE-2019-25027 affects Vaadin Vaadin, Vaadin flow-server.
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