How severe is CVE-2019-3865?

CVE-2019-3865 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-2019-3865 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-3865?

CVE-2019-3865 affects Redhat Quay. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-3865?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-3865 published?

CVE-2019-3865 was published on 2020-06-22 and last updated on 2026-06-17.

CVE-2019-3865

CVE-2019-3865 is a medium-severity vulnerability in Redhat Quay 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

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Redhat Quay
Published: 2020-06-22
Last modified: 2026-06-17

Description

A vulnerability was found in quay-2, where a stored XSS vulnerability has been found in the super user function of quay. Attackers are able to use the name field of service key to inject scripts and make it run when admin users try to change the name.

Frequently asked questions

What is CVE-2019-3865?: A vulnerability was found in quay-2, where a stored XSS vulnerability has been found in the super user function of quay. Attackers are able to use the name field of service key to inject scripts and make it run when admin users try to change the name.
How severe is CVE-2019-3865?: CVE-2019-3865 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-2019-3865 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-3865?: CVE-2019-3865 affects Redhat Quay. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-3865?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-3865 published?: CVE-2019-3865 was published on 2020-06-22 and last updated on 2026-06-17.

References

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3865

Affected products (1)

cpe:2.3:a:redhat:quay:2.0.0:*:*:*:*:*:*:*

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