XSS in Red Hat Quay 3

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).

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.004 (30.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-3384?
CVE-2023-3384 is a medium-severity vulnerability in Red Hat Quay 3, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2023-07-24.
How severe is CVE-2023-3384?
Medium severity. CVSS v3 base score is 5.4 out of 10.