CVE-2021-47776

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Source
https://nvd.nist.gov/vuln/detail/CVE-2021-47776
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-47776.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-47776
Aliases
Published
2026-01-15T16:16:09.510Z
Modified
2026-01-25T05:50:48.912376Z
Severity
  • 5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N CVSS Calculator
Summary
[none]
Details

Umbraco CMS v8.14.1 contains a server-side request forgery vulnerability that allows attackers to manipulate baseUrl parameters in multiple dashboard and help controller endpoints. Attackers can craft malicious requests to the GetContextHelpForPage, GetRemoteDashboardContent, and GetRemoteDashboardCss endpoints to trigger unauthorized server-side requests to external hosts.

References

Affected packages

Git / github.com/umbraco/umbraco-cms

Affected ranges

Type
GIT
Repo
https://github.com/umbraco/umbraco-cms
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
f04e27ca197ae99975ed90aedaa4e53f95a2aee7

Affected versions

4.*

4.7.2
4.8.0-beta

7.*

7.3.0-beta
7.6-alpha071
7.6-beta5

Release-4.*

Release-4.10.0
Release-4.11.0
Release-4.11.1
Release-4.11.2
Release-4.11.2.1
Release-4.11.2.2
Release-4.11.3
Release-4.11.4
Release-4.11.5
Release-4.5.2
Release-4.6.0
Release-4.8.0
Release-4.8.1
Release-4.9.0
Release-4.9.1

Release-6.*

Release-6.0.0
Release-6.0.0-RC
Release-6.0.0-beta
Release-6.0.2

Other

Sprint-Juno-A
alpha070
temp8-cg18

dev-7.*

dev-7.6-RC1
dev-7.6-RC2
dev-7.6-RC3
dev-7.6-alpha-073
dev-7.6-alpha054
dev-7.6-alpha055
dev-7.6-alpha056
dev-7.6-alpha060
dev-7.6-alpha061
dev-7.6-alpha063
dev-7.6-alpha064
dev-7.6-alpha072
dev-7.6-alpha073
dev-7.6-alpha074
dev-7.6-alpha075
dev-7.6-beta02
dev-7.6-beta03
dev-7.6-beta04
dev-7.6-beta06

dev-v7.*

dev-v7.6-alpha065
dev-v7.6-alpha066
dev-v7.6-alpha068
dev-v7.7-beta002

release-4.*

release-4.11.10
release-4.11.6
release-4.11.7
release-4.11.9

release-6.*

release-6.0.3
release-6.0.4
release-6.0.6
release-6.0.7
release-6.1.0
release-6.1.0-beta
release-6.1.0-beta2
release-6.1.1
release-6.1.2
release-6.1.3
release-6.1.4
release-6.1.5
release-6.1.6
release-6.2.0
release-6.2.0-beta
release-6.2.1
release-6.2.2
release-6.2.3

release-7.*

release-7.0.0
release-7.0.0-RC
release-7.0.0-alpha
release-7.0.0-beta
release-7.0.1
release-7.0.2
release-7.0.3
release-7.0.4
release-7.1.0
release-7.1.0-RC
release-7.1.0-beta
release-7.1.1
release-7.1.2
release-7.1.3
release-7.1.4
release-7.1.5
release-7.1.6
release-7.1.7
release-7.1.8
release-7.10.0
release-7.10.1
release-7.10.2
release-7.10.3
release-7.10.4
release-7.11.0
release-7.12.0
release-7.12.1
release-7.13.0
release-7.13.1
release-7.13.2
release-7.14.0
release-7.15.0
release-7.15.1
release-7.15.2
release-7.15.3
release-7.15.4
release-7.2.0
release-7.2.0-RC
release-7.2.0-alpha
release-7.2.0-beta
release-7.2.0-beta2
release-7.2.1
release-7.2.2
release-7.2.3
release-7.2.4
release-7.2.5
release-7.2.5-RC
release-7.2.6
release-7.2.7
release-7.2.8
release-7.3.0
release-7.3.0-RC
release-7.3.0-beta
release-7.3.0-beta2
release-7.3.0-beta3
release-7.3.1
release-7.3.2
release-7.3.3
release-7.3.4
release-7.3.5
release-7.3.6
release-7.3.7
release-7.3.8
release-7.4.0
release-7.4.0-RC1
release-7.4.0-beta2
release-7.4.1
release-7.4.2
release-7.4.3
release-7.5.0
release-7.5.0-beta
release-7.5.0-beta2
release-7.5.1
release-7.5.10
release-7.5.11
release-7.5.12
release-7.5.13
release-7.5.14
release-7.5.2
release-7.5.3
release-7.5.4
release-7.5.5
release-7.5.6
release-7.5.7
release-7.5.8
release-7.5.9
release-7.6.0
release-7.6.0-RC
release-7.6.0-beta
release-7.6.1
release-7.6.2
release-7.6.3
release-7.6.4
release-7.6.5
release-7.6.6
release-7.6.7
release-7.6.8
release-7.7.0
release-7.7.0-beta
release-7.7.1
release-7.7.10
release-7.7.11
release-7.7.12
release-7.7.13
release-7.7.2
release-7.7.3
release-7.7.4
release-7.7.5
release-7.7.6
release-7.7.7
release-7.7.8
release-7.7.9
release-7.8.0
release-7.8.0-beta
release-7.8.0-beta003
release-7.8.0-beta004
release-7.8.0-beta005
release-7.8.0-beta007
release-7.8.1
release-7.8.2
release-7.8.3
release-7.9.0
release-7.9.1
release-7.9.2
release-7.9.3
release-7.9.4
release-7.9.5
release-7.9.6

release-8.*

release-8.0.0
release-8.0.01
release-8.0.1
release-8.1.0
release-8.1.1
release-8.1.2
release-8.1.3
release-8.1.4
release-8.1.5
release-8.10.0
release-8.10.0-rc
release-8.10.1
release-8.10.2
release-8.10.3
release-8.11.0
release-8.11.0-rc
release-8.11.1
release-8.11.2
release-8.11.3
release-8.12.0
release-8.12.0-rc
release-8.12.1
release-8.12.2
release-8.12.3
release-8.13.0
release-8.13.0-rc
release-8.13.1
release-8.14.0
release-8.14.0-rc
release-8.14.1
release-8.2.0
release-8.2.0-rc
release-8.2.1
release-8.2.2
release-8.3.0
release-8.4.0
release-8.4.0-rc
release-8.4.1
release-8.5.0
release-8.5.1
release-8.5.2
release-8.5.3
release-8.5.4
release-8.5.5
release-8.6.0
release-8.6.0-rc
release-8.6.1
release-8.6.2
release-8.6.3
release-8.6.4
release-8.6.5
release-8.6.6
release-8.6.7
release-8.6.8
release-8.7.0
release-8.7.0-rc
release-8.7.1
release-8.7.2
release-8.7.3
release-8.8
release-8.8.0
release-8.8.0-rc
release-8.8.1
release-8.8.2
release-8.8.3
release-8.8.4
release-8.9.0
release-8.9.0-rc
release-8.9.1
release-8.9.2
release-8.9.3

release/7.*

release/7.15.2

release/8.*

release/8.1.3

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-47776.json"