Cross-site scripting in quay
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-79.
Summary
A flaw was found in Red Hat Quay, where it has a persistent Cross-site Scripting (XSS) vulnerability when displaying a repository's notification. This flaw allows an attacker to trick a user into performing a malicious action to impersonate the target user. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | quay | quay 3.3.2 | — | No fix listed | CNA |
- quay Vendor— Affected quay 3.3.2 Fixed in — No fix listed CNA
Remediation
Red Hat 1 advisory
- RHSA-2021:0050 Released 2021-01-11 · Red Hat rating ModerateRed Hat Quay v3.3.3 bug fix and security update
- Quay v3 quay/quay-container-security-rhel8-operator, quay/quay-container-security-rhel8-operator-metadata, quay/quay-openshift-bridge-rhel8-operator +3
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Quay v3 | Fixed | RHSA-2021:0050 |
Timeline
- 2026-10-02 Threatist record created from CVE-2020-27832
- 2026-10-03 Alias added: GHSA-2xp8-j5vh-vcrw
References
More Red Hat Quay vulnerabilities
- TI-2023-23979 The HTTP/2 protocol allows a denial of service (server resource consumption) because… KEVCVSS 3.1HIGH 7.5
- TI-2019-06950 Some HTTP/2 implementations are vulnerable to a settings flood, potentially leading to a… CVSS 3.1HIGH 7.5
- TI-2019-06949 Some HTTP/2 implementations are vulnerable to a reset flood, potentially leading to a… CVSS 3.1HIGH 7.5
- TI-2019-06948 Some HTTP/2 implementations are vulnerable to resource loops, potentially leading to a… CVSS 3.1HIGH 7.5
- TI-2026-32429 Axios: Credential Theft and Response Hijacking via Prototype Pollution Gadget in Config Merge CVSS 3.1HIGH 7.7
- TI-2019-06946 Some HTTP/2 implementations are vulnerable to window size manipulation and stream… CVSS 3.1HIGH 7.5
Sources
- CVE-2020-27832 · CVE Program
- CVE-2020-27832 · NVD
- FIRST EPSS
- GHSA-2xp8-j5vh-vcrw · GitHub Advisory Database · CC BY 4.0
- CVE-2020-27832 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences