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CVE-2016-7138
medium
CVSS 6.1
Cross-Site Scripting (XSS) in plone (CVE-2016-7138)
Summary
cross-site scripting in plone (CVE-2016-7138). Risk of unauthorized operations or information disclosure. Mitigation: upgrade to `5.0.7, 4.3.12, 4.0a1` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2016-7138** has been found in plone.
Risk of unauthorized operations or information disclosure. CVSS score: 6.1/10.
What to do: upgrade plone to **5.0.7, 4.3.12, 4.0a1** or later.
If unsure, ask your IT team or search "plone CVE-2016-7138" on the vendor's site.
CVE-2016-7138 (plone) — CWE-79 / CVSS v3 6.1
Attack vector: remote (network-reachable) / unauthenticated
Patched: `5.0.7, 4.3.12, 4.0a1` — 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 plone.
📍 Affected scope
plone — .
🔥 Severity
Severity: Medium (CVSS 6.1/10). Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to **5.0.7, 4.3.12, 4.0a1**.
🛡️ 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 'plone' .` 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 'plone' . | 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 `plone` 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 plone to 5.0.7, 4.3.12, 4.0a1ステージング環境で 5.0.7, 4.3.12, 4.0a1 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
plone
[{"type":"ECOSYSTEM","events":[{"introduced":"5.0"},{"fixed":"5.0.7"},{"introduced":"4.0"},{"fixed":"4.3.12"},{"introduced":"3.3"},{"fixed":"4.0a1"}]}]
References
- advisory https://github.com/advisories/GHSA-v3hp-f8qr-cf3p
- web http://packetstormsecurity.com/files/139110/Plone-CMS-4.3.11-5.0.6-XSS-Traversal-Open-Redirection.html
- web http://seclists.org/fulldisclosure/2016/Oct/80
- web http://www.openwall.com/lists/oss-security/2016/09/05/4
- web http://www.openwall.com/lists/oss-security/2016/09/05/5
- web http://www.securityfocus.com/archive/1/539572/100/0/threaded
- web http://www.securityfocus.com/bid/92752
- web https://plone.org/security/hotfix/20160830/non-persistent-xss-in-plone-1