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CVE-2017-7400

20
FAUCET Score

CVE-2017-7400 describes a Cross-Site Scripting (XSS) vulnerability in OpenStack Horizon versions 9.x through 11.0.0. This flaw allows remote authenticated administrators to execute XSS attacks by submitting a specially crafted federation mapping. Rated Medium severity (CVSS 4.8), it requires high privileges and user interaction, potentially leading to limited impact on confidentiality and integrity. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
9.0.0CPE matchmatch criteria
cpe:2.3:a:openstack:horizon:9.0.0:*:*:*:*:*:*:*
9.0.0CPE matchmatch criteria
cpe:2.3:a:openstack:horizon:9.0.0:b1:*:*:*:*:*:*
9.0.0CPE matchmatch criteria
cpe:2.3:a:openstack:horizon:9.0.0:b2:*:*:*:*:*:*
9.0.0CPE matchmatch criteria
cpe:2.3:a:openstack:horizon:9.0.0:b3:*:*:*:*:*:*
9.0.0CPE matchmatch criteria
cpe:2.3:a:openstack:horizon:9.0.0:rc1:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

4.8MEDIUM

CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
1.7
Impact Score
2.7
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.05%
Probability of exploitation in next 30 days
EPSS Percentile
60.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0105 is in the 94th percentile among its peer group of 4,931 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (5)

pippatch availablevia ghsa
Product: horizonFixed in: 9.1.2
pippatch availablevia ghsa
Product: horizonFixed in: 10.0.3
pippatch availablevia ghsa
Product: horizonFixed in: 11.0.1
redhatpatch availablevia redhat_api
Product: Red Hat OpenStack Platform 10.0 (Newton)Fixed in: python-django-horizon-1:10.0.3-6.el7ost
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenStack Platform 9.0 (Mitaka)Fixed in: python-django-horizon-1:9.0.1-13.el7ost
View patch

Vendor Advisories (2)

pipGHSA-47vp-44v9-rhgqmedium

OpenStack Horizon Cross-site Scripting (XSS)

May 14, 2022
redhatCVE-2017-7400Low

python-django-horizon: XSS in federation mappings UI

Mar 3, 2017

References

access.redhat.com / errata/RHSA-2017:1598
access.redhat.com / errata/RHSA-2017:1739
launchpad.net / bugs/1667086
securityfocus.com / bid/97324
Third Party AdvisoryVDB Entry