CVE-2017-7400

OpenStack Horizon Cross-site Scripting (XSS)

4.8 MediumFix available

OpenStack Horizon 9.x through 9.1.1, 10.x through 10.0.2, and 11.0.0 allows remote authenticated administrators to conduct XSS attacks via a crafted federation mapping.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: High
User interaction: Required

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: None

Exploit likelihood

1.06%Down 0.2 points since Apr 14, 2021

What each source reports

NVD Score used 4.8

OpenStack Horizon 9.x through 9.1.1, 10.x through 10.0.2, and 11.0.0 allows remote authenticated administrators to conduct XSS attacks via a crafted federation mapping.

Record: CVE-2017-7400
CVSS 3.0: 4.8 MediumCVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
CVSS 2.0: 3.5 LowAV:N/AC:M/Au:S/C:N/I:P/A:N
Weakness: CWE-79
Updated: 2026-11-02

CVE List No score

OpenStack Horizon 9.x through 9.1.1, 10.x through 10.0.2, and 11.0.0 allows remote authenticated administrators to conduct XSS attacks via a crafted federation mapping.

Record: CVE-2017-7400
Updated: 2026-11-02

EUVDEUVD-2022-2332 No score

OpenStack Horizon 9.x through 9.1.1, 10.x through 10.0.2, and 11.0.0 allows remote authenticated administrators to conduct XSS attacks via a crafted federation mapping.

Record: EUVD-2022-2332
Updated: 2026-11-03

GitHub AdvisoriesGHSA-47vp-44v9-rhgq 4.8

OpenStack Horizon Cross-site Scripting (XSS)

OpenStack Horizon 9.x through 9.1.1, 10.x through 10.0.2, and 11.0.0 allows remote authenticated administrators to conduct XSS attacks via a crafted federation mapping.

Record: GHSA-47vp-44v9-rhgq
CVSS 3.0: 4.8 MediumCVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

OSV 4.8

OpenStack Horizon 9.x through 9.1.1, 10.x through 10.0.2, and 11.0.0 allows remote authenticated administrators to conduct XSS attacks via a crafted federation mapping.

Record: CVE-2017-7400
CVSS 3.0: 4.8 MediumCVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Updated: 2026-11-02

OSVDEBIAN-CVE-2017-7400 4.8

OpenStack Horizon 9.x through 9.1.1, 10.x through 10.0.2, and 11.0.0 allows remote authenticated administrators to conduct XSS attacks via a crafted federation mapping.

Record: DEBIAN-CVE-2017-7400
CVSS 3.0: 4.8 MediumCVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Updated: 2026-11-02

Show 6 moreShow less

OSVGHSA-47vp-44v9-rhgq 4.8

OpenStack Horizon Cross-site Scripting (XSS)

OpenStack Horizon 9.x through 9.1.1, 10.x through 10.0.2, and 11.0.0 allows remote authenticated administrators to conduct XSS attacks via a crafted federation mapping.

Record: GHSA-47vp-44v9-rhgq
CVSS 3.0: 4.8 MediumCVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

OSVPYSEC-2026-821 4.8

OpenStack Horizon Cross-site Scripting (XSS)

OpenStack Horizon 9.x through 9.1.1, 10.x through 10.0.2, and 11.0.0 allows remote authenticated administrators to conduct XSS attacks via a crafted federation mapping.

Record: PYSEC-2026-821
CVSS 3.0: 4.8 MediumCVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Updated: 2026-11-02

OSVRHSA-2017:1598 3.5

Red Hat Security Advisory: python-django-horizon security, bug fix, and enhancement update

Record: RHSA-2017:1598
CVSS 3.0: 3.5 LowCVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:N
Updated: 2026-11-02

OSVRHSA-2017:1739 3.5

Red Hat Security Advisory: python-django-horizon security and bug fix update

Record: RHSA-2017:1739
CVSS 3.0: 3.5 LowCVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:N
Updated: 2026-11-02

OSVUBUNTU-CVE-2017-7400 4.8

OpenStack Horizon 9.x through 9.1.1, 10.x through 10.0.2, and 11.0.0 allows remote authenticated administrators to conduct XSS attacks via a crafted federation mapping.

Record: UBUNTU-CVE-2017-7400
CVSS 3.0: 4.8 MediumCVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Updated: 2026-11-02

OSVSUSE-SU-2017:1443-1 No score

Security update for several openstack-components

This update for openstack-ceilometer, -cinder, -dashboard, -glance, -heat, -keystone, -manila, -magnum and -novaopenstack-keystone provides the latest code from OpenStack Newton.

nova: Add release note that legacy notification exception contexts appearing in ERROR level logs may include sensitive information such as account passwords and authorization tokens. (bsc#1030406, CVE-2017-7214)
nova: Remove PrivTmp from openstack-nova-compute service. (bsc#1024328)
dashboard: Remove dangerous safestring declaration. (bsc#1032322, CVE-2017-7400)

Record: SUSE-SU-2017:1443-1
Updated: 2026-11-02

Affected products

openstack horizon

Affected packages

Affected packages
Package	Affected	Fixed
`horizon` PyPI	9.0 up to 9.1.2	9.1.2
`horizon` PyPI	10.0 up to 10.0.3	10.0.3
`horizon` PyPI	11.0.0 up to 11.0.1	11.0.1
`horizon` Debian:12	before 3:10.0.1-1	3:10.0.1-1
`horizon` Debian:13	before 3:10.0.1-1	3:10.0.1-1
`horizon` Debian:14	before 3:10.0.1-1	3:10.0.1-1
`horizon` PyPI	9.0 up to 9.1.2, 10.0 up to 10.0.3, 11.0.0 up to 11.0.1	9.1.210.0.311.0.1
`openstack-dashboard` Red Hat:openstack:10::el7	before 1:10.0.3-6.el7ost	1:10.0.3-6.el7ost
`openstack-dashboard-theme` Red Hat:openstack:10::el7	before 1:10.0.3-6.el7ost	1:10.0.3-6.el7ost
`python-django-horizon` Red Hat:openstack:10::el7	before 1:10.0.3-6.el7ost	1:10.0.3-6.el7ost

Show 20 moreShow less

Affected packages
Package	Affected	Fixed
`openstack-dashboard` Red Hat:openstack:9::el7	before 1:9.0.1-13.el7ost	1:9.0.1-13.el7ost
`openstack-dashboard-theme` Red Hat:openstack:9::el7	before 1:9.0.1-13.el7ost	1:9.0.1-13.el7ost
`python-django-horizon` Red Hat:openstack:9::el7	before 1:9.0.1-13.el7ost	1:9.0.1-13.el7ost
`openstack-ceilometer` SUSE:OpenStack Cloud 7	before 7.0.4~a0~dev7-3.1	7.0.4~a0~dev7-3.1
`openstack-ceilometer-doc` SUSE:OpenStack Cloud 7	before 7.0.4~a0~dev7-3.2	7.0.4~a0~dev7-3.2
`openstack-cinder` SUSE:OpenStack Cloud 7	before 9.1.5~a0~dev1-3.1	9.1.5~a0~dev1-3.1
`openstack-cinder-doc` SUSE:OpenStack Cloud 7	before 9.1.5~a0~dev1-3.1	9.1.5~a0~dev1-3.1
`openstack-dashboard` SUSE:OpenStack Cloud 7	before 10.0.4~a0~dev2-3.1	10.0.4~a0~dev2-3.1
`openstack-glance` SUSE:OpenStack Cloud 7	before 13.0.1~a0~dev6-3.1	13.0.1~a0~dev6-3.1
`openstack-glance-doc` SUSE:OpenStack Cloud 7	before 13.0.1~a0~dev6-3.3	13.0.1~a0~dev6-3.3
`openstack-heat` SUSE:OpenStack Cloud 7	before 7.0.4~a0~dev4-4.1	7.0.4~a0~dev4-4.1
`openstack-heat-doc` SUSE:OpenStack Cloud 7	before 7.0.4~a0~dev4-4.2	7.0.4~a0~dev4-4.2
`openstack-keystone` SUSE:OpenStack Cloud 7	before 10.0.2~a0~dev2-6.1	10.0.2~a0~dev2-6.1
`openstack-keystone-doc` SUSE:OpenStack Cloud 7	before 10.0.2~a0~dev2-6.2	10.0.2~a0~dev2-6.2
`openstack-magnum` SUSE:OpenStack Cloud 7	before 3.1.2~a0~dev22-13.1	3.1.2~a0~dev22-13.1
`openstack-magnum-doc` SUSE:OpenStack Cloud 7	before 3.1.2~a0~dev22-13.1	3.1.2~a0~dev22-13.1
`openstack-manila` SUSE:OpenStack Cloud 7	before 3.0.1~a0~dev27-3.1	3.0.1~a0~dev27-3.1
`openstack-manila-doc` SUSE:OpenStack Cloud 7	before 3.0.1~a0~dev27-3.1	3.0.1~a0~dev27-3.1
`openstack-nova` SUSE:OpenStack Cloud 7	before 14.0.6~a0~dev16-3.1	14.0.6~a0~dev16-3.1
`openstack-nova-doc` SUSE:OpenStack Cloud 7	before 14.0.6~a0~dev16-3.3	14.0.6~a0~dev16-3.3

History

History
Recorded	Changed	Sources
Nov 3, 2026	affected
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2017-7400 is a medium vulnerability (CVSS 4.8) in Openstack Horizon, published April 3, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.06%, the 64th percentile. Fixed in horizon 9.1.2.

References

Show 27 moreShow less