XSS in Prometheus
CVE-2019-3826
A stored, DOM based, cross-site scripting (XSS) flaw was found in Prometheus before version 2.7.1. An attacker could exploit this by convincing an authenticated user to visit a crafted URL on a Prometheus server, allowing for the execution and persistent storage of arbitrary scripts.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.027 (84.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Prometheus
- [Unknown] Prometheus — versions 2.7.1
- Redhat Openshift_container_platform — versions 3.11
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (x_refsource_CONFIRM, Patch, Third Party Advisory, Issue Tracking)
- secalert@redhat.com (x_refsource_CONFIRM, Patch, Third Party Advisory)
- secalert@redhat.com (x_refsource_CONFIRM, Patch, Third Party Advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- secalert@redhat.com (mailing-list, x_refsource_MLIST)
- secalert@redhat.com (mailing-list, x_refsource_MLIST)
- secalert@redhat.com (mailing-list, x_refsource_MLIST)
- secalert@redhat.com (x_refsource_MISC)
Frequently asked questions
- What is CVE-2019-3826?
- CVE-2019-3826 is a medium-severity vulnerability in Prometheus, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-03-26.
- How severe is CVE-2019-3826?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2019-3826 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.