CVE-2019-3911

CVE-2019-3911 is a medium-severity vulnerability in Labkey Labkey Server with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

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.

Frequently asked questions

What is CVE-2019-3911?
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.
How severe is CVE-2019-3911?
CVE-2019-3911 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2019-3911 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-3911?
CVE-2019-3911 affects Labkey Labkey Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-3911?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-3911 published?
CVE-2019-3911 was published on 2019-01-30 and last updated on 2026-06-17.

References

Affected products (1)

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