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CVE-2016-4428
Cross-Site Scripting (XSS) in horizon (CVE-2016-4428)
Summary
cross-site scripting in horizon (CVE-2016-4428). Risk of unauthorized operations or information disclosure. Mitigation: upgrade to `9.1.0` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2016-4428** has been found in horizon.
Risk of unauthorized operations or information disclosure. CVSS score: ?/10.
What to do: upgrade horizon to **9.1.0** or later.
If unsure, ask your IT team or search "horizon CVE-2016-4428" on the vendor's site.
CVE-2016-4428 (horizon) — CWE-79 /
Attack vector: remote (network-reachable)
Patched: `9.1.0` — apply immediately
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
❓ What is the problem
**Cross-site scripting (XSS)** (CWE-79) exists in horizon.
📍 Affected scope
horizon — .
🔥 Severity
Severity: ?. Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to **9.1.0**.
🛡️ Workaround
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
🔍 Detection
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run `grep -r 'horizon' .` against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.
Response Actions (7 steps)
Concrete steps and command examples for SOC/SRE teams to execute in order
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1Identify exposure identify
grep -r 'horizon' . | grep -v node_modulesリポジトリと本番環境の依存ファイル (package-lock.json / requirements.txt / go.sum / Gemfile.lock 等) で `horizon` を grep し、稼働しているサービス・バージョンを把握する。
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6Apply patch patch
Upgrade horizon to 9.1.0ステージング環境で 9.1.0 に上げて回帰テスト → 本番反映。回帰テストはアプリの主要ハッピーパスと、Step 3 で見つけた異常検知の続報チェックを含めること。
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7Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番では Step 3 と同じログクエリでアラート再発が無いか継続監視。
Affected packages
PyPI
horizon
[{"type":"ECOSYSTEM","events":[{"introduced":"9.0.0"},{"fixed":"9.1.0"}]}]
References
- advisory https://nvd.nist.gov/vuln/detail/CVE-2016-4428
- advisory https://access.redhat.com/errata/RHSA-2016:1268
- advisory https://access.redhat.com/errata/RHSA-2016:1269
- advisory https://access.redhat.com/errata/RHSA-2016:1270
- advisory https://access.redhat.com/errata/RHSA-2016:1271
- advisory https://access.redhat.com/errata/RHSA-2016:1272
- advisory http://www.debian.org/security/2016/dsa-3617
- advisory https://github.com/advisories/GHSA-grm6-x6mr-q3cv
- package https://pypi.org/project/horizon
- patch https://review.openstack.org/329996
- patch https://review.openstack.org/329997
- patch https://review.openstack.org/329998
- patch https://security.openstack.org/ossa/OSSA-2016-010.html
- patch http://www.openwall.com/lists/oss-security/2016/06/17/4
- report https://bugs.launchpad.net/horizon/+bug/1567673
- web https://github.com/openstack/horizon/commit/62b4e6f30a7ae7961805abdffdb3c7ae5c2b676a
- web https://github.com/openstack/horizon/commit/d585e5eb9acf92d10d39b6c2038917a7e8ac71bb
- web https://github.com/openstack/horizon/commit/fc8d70560401f3985e5672a4c580f10d51e985a4
- web https://access.redhat.com/security/cve/CVE-2016-4428
- web https://bugzilla.redhat.com/show_bug.cgi?id=1343982