CVE-2021-26540

Common vulnerabilities & exposures (CVE)

CVE database CVE database blogpost Release & EoL database

Published at: - 26-01-2021 01:00

Last modified: - 26-01-2021 01:00

Total changes: - 8

Description

CVE-2021-26540 sanitize-html: improper validation of hostnames set by the "allowedIframeHostnames" option can lead to bypass hostname whitelist for iframe element

Common Vulnerability Scoring System (CVSS)

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

Low

Attack complexity

Network

Attack vector

None

Availability

None

Confidentiality

Low

Integrity

None

Privileges required

Unchanged

Scope

None

User interaction

5.3

Base score

Exploitability score

Impact score

Verification logic

AND

product=openshift4/ose-console AND versionEndExcluding=v4.8.0-202107010336.p0.git.188a490.assembly.stream

vendor=Red Hat Enterprise Linux AND product=openshift AND version=4.8

AND

product=openshift4/ose-thanos-rhel8 AND versionEndExcluding=v4.8.0-202106291913.p0.git.c358e96.assembly.stream

vendor=Red Hat Enterprise Linux AND product=openshift AND version=4.8

AND

product=openshift4/ose-prometheus AND versionEndExcluding=v4.9.0-202109302016.p0.git.3197fa7.assembly.stream

vendor=Red Hat Enterprise Linux AND product=openshift AND version=4.9

AND

product=servicemesh-prometheus AND version=

vendor=Red Hat Enterprise Linux AND product=service_mesh AND version=2.0

Reference

Keywords

CVE-2021-26540

Common vulnerabilities & exposures (CVE)

Description

Common Vulnerability Scoring System (CVSS)

Verification logic

Reference

REDHAT

CVE-2021-26540

CVE

Common vulnerabilities & exposures

CVSS

Common vulnerability scoring system

Security

Vulnerabilities

Exposures