CVE-2019-3876

Severity: medium (CVSS 6.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-04-01 · updated 2026-06-17
Weakness: CWE-352

Description

A flaw was found in the /oauth/token/request custom endpoint of the OpenShift OAuth server allowing for XSS generation of CLI tokens due to missing X-Frame-Options and CSRF protections. If not otherwise prevented, a separate XSS vulnerability via JavaScript could further allow for the extraction of these tokens.

Affected products

Red Hat OpenShift Container Platform 4.18: from 3.0 through 3.11

References

http://www.securityfocus.com/bid/107664
https://access.redhat.com/errata/RHSA-2019:1851
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3876
http://www.securityfocus.com/bid/107664
https://access.redhat.com/errata/RHSA-2019:1851
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3876

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