CVE-2016-4428

Cross-site scripting (XSS) vulnerability in OpenStack Dashboard (Horizon) 8.0.1 and earlier and 9.0.0 through 9.0.1 allows remote authenticated users to inject arbitrary web script or HTML by injecting an AngularJS template in a dashboard form.

Published: 2016-07-12 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2016-4428 is rated Moderate Risk (50.8/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.08%). Core evidence: EPSS rose +1.52% over the last day, indicating growing attacker interest. Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2016-4428

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.55% 2.08% +1.52%
2 2025-03-30 1.05% 0.55% -0.49%
3 2025-03-29 1.05%

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2016-4428

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.4 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:L)
Attackers could change some data, but it’s limited—not everything goes.
Availability (A:N)
Service keeps running; no real outage angle.
2.3 2.7 [email protected]
3.5 2.0 LOW
AV:N/AC:M/Au:S/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
6.8 2.9 [email protected]

Weakness enumeration for CVE-2016-4428

GitHub Security Advisory for CVE-2016-4428

GHSA-grm6-x6mr-q3cv · Severity: medium · Ecosystem: pip — OpenStack Dashboard (Horizon) Cross-site scripting (XSS) vulnerability

OS Trackers for CVE-2016-4428

vendor priority summary link
debian not yet assigned CVE-2016-4428 not yet assigned priority: Debian including 1 source packages (horizon), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2016-4428
redhat high https://access.redhat.com/security/cve/CVE-2016-4428
suse medium CVE-2016-4428 severity moderate: SUSE including 80 source package names (openstack-ceilometer-5.0.4~a0~dev6-6.1, openstack-ceilometer-agent-central-5.0.4~a0~dev6-6.1, …), 80 product×package rows across 1 product lines (SUSE OpenStack Cloud 6): Fixed 80. https://www.suse.com/security/cve/CVE-2016-4428/
ubuntu medium CVE-2016-4428 medium priority: Ubuntu including 1 source packages (horizon), 7 status rows across 7 suites (precise, trusty, upstream, wily, xenial, yakkety, zesty): ignored 3, not-affected 2, needs-triage 1, released 1. https://ubuntu.com/security/CVE-2016-4428

Affected software / configurations for CVE-2016-4428

Vendor Product Version Raw CPE
openstack horizon >= 8.0.0, <= 8.0.1 cpe:2.3:a:openstack:horizon:*:*:*:*:*:*:*:*
openstack horizon 9.0.0 cpe:2.3:a:openstack:horizon:9.0.0:*:*:*:*:*:*:*
openstack horizon 9.0.1 cpe:2.3:a:openstack:horizon:9.0.1:*:*:*:*:*:*:*
redhat openstack 6.0 cpe:2.3:a:redhat:openstack:6.0:*:*:*:*:*:*:*
redhat openstack 7.0 cpe:2.3:a:redhat:openstack:7.0:*:*:*:*:*:*:*
redhat openstack 8 cpe:2.3:a:redhat:openstack:8:*:*:*:*:*:*:*
redhat openstack 5.0 cpe:2.3:a:redhat:openstack:5.0:*:*:*:*:*:*:*
debian debian_linux 8.0 cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
debian debian_linux 9.0 cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

References for CVE-2016-4428

URL Tags
http://www.debian.org/security/2016/dsa-3617 Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/06/17/4 Mailing List Patch Third Party Advisory
https://access.redhat.com/errata/RHSA-2016:1268 Third Party Advisory
https://access.redhat.com/errata/RHSA-2016:1269 Third Party Advisory
https://access.redhat.com/errata/RHSA-2016:1270 Third Party Advisory
https://access.redhat.com/errata/RHSA-2016:1271 Third Party Advisory
https://access.redhat.com/errata/RHSA-2016:1272 Third Party Advisory
https://bugs.launchpad.net/horizon/+bug/1567673 Issue Tracking Third Party Advisory
https://review.openstack.org/329996 Patch Vendor Advisory
https://review.openstack.org/329997 Patch Vendor Advisory
https://review.openstack.org/329998 Patch Vendor Advisory
https://security.openstack.org/ossa/OSSA-2016-010.html Patch Vendor Advisory
cvelogic Threat Intelligence