CVE-2019-3911

Name: CVE-2019-3911
Creator: NVD / NIST
Published: 2019-01-30T20:29:00.367+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 3.81%

Last modified Jun 17, 2026

CVE-2019-3911 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. Reflected cross-site scripting (XSS) vulnerability in LabKey Server Community Edition before 18.3.0-61806.763 allows an unauthenticated remote attacker to inject arbitrary javascript via the onerror parameter in the /__r2/query endpoints.. EPSS estimates a 3.81% chance of exploitation in the next 30 days.

Description

Reflected cross-site scripting (XSS) vulnerability in LabKey Server Community Edition before 18.3.0-61806.763 allows an unauthenticated remote attacker to inject arbitrary javascript via the onerror parameter in the /__r2/query endpoints.

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

3.81%

88.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Labkey	Labkey Server	< 18.3.0-61806.763

References

https://www.tenable.com/security/research/tra-2019-03Exploit, Third Party Advisory
https://www.tenable.com/security/research/tra-2019-03Exploit, Third Party Advisory

Timeline

Published: Jan 30, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-3911?

How severe is CVE-2019-3911?

CVE-2019-3911 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 3.81% probability of exploitation in the next 30 days.

How do I fix CVE-2019-3911?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-3911?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST