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Vulnerability record · CVE-2020-27832 · published 27 May 2021

CVE-2020-27832: Redhat quay cross-site scripting vulnerability

Redhat · Quay

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.

9.0 CVSS 3.1 Critical EPSS 0.91% · top 41.6% CWE-79 · Cross-site scripting
9.0CVSS 3.1 base score, v2 6.0
0.91%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://bugzilla.redhat.com/show_bug.cgi?id=1905784 Issue TrackingVendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1905784 Issue TrackingVendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2020-27832), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.