How severe is CVE-2023-3384?

CVE-2023-3384 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2023-3384 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-3384?

CVE-2023-3384 affects Redhat Quay. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-3384?

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

When was CVE-2023-3384 published?

CVE-2023-3384 was published on 2023-07-24 and last updated on 2026-06-17.

CVE-2023-3384

CVE-2023-3384 is a medium-severity vulnerability in Redhat Quay with a CVSS 3.x base score of 5.4. 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 5.4)
EPSS exploit prediction: 0% (30th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Redhat Quay
Published: 2023-07-24
Last modified: 2026-06-17

Description

A flaw was found in the Quay registry. While the image labels created through Quay undergo validation both in the UI and backend by applying a regex (validation.py), the same validation is not performed when the label comes from an image. This flaw allows an attacker to publish a malicious image to a public registry containing a script that can be executed via Cross-site scripting (XSS).

Frequently asked questions

What is CVE-2023-3384?: A flaw was found in the Quay registry. While the image labels created through Quay undergo validation both in the UI and backend by applying a regex (validation.py), the same validation is not performed when the label comes from an image. This flaw allows an attacker to publish a malicious image to a public registry containing a script that can be executed via Cross-site scripting (XSS).
How severe is CVE-2023-3384?: CVE-2023-3384 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-3384 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-3384?: CVE-2023-3384 affects Redhat Quay. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-3384?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-3384 published?: CVE-2023-3384 was published on 2023-07-24 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:redhat:quay:3.0.0:*:*:*:*:*:*:*

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