← Back
CVE-2023-36809
Unrestricted File Upload in kiwitcms (CVE-2023-36809)
Summary
vulnerability in kiwitcms (CVE-2023-36809). Confidential information can be exposed externally. Mitigation: upgrade to `12.5` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2023-36809** has been found in kiwitcms.
Confidential information can be exposed externally. CVSS score: ?/10.
What to do: upgrade kiwitcms to **12.5** or later.
If unsure, ask your IT team or search "kiwitcms CVE-2023-36809" on the vendor's site.
CVE-2023-36809 (kiwitcms) — CWE-434 /
Attack vector: remote (network-reachable) / unauthenticated
Patched: `12.5` — 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
**A vulnerability** (CWE-434) exists in kiwitcms.
📍 Affected scope
kiwitcms — .
🔥 Severity
Severity: ?. Confidential information can be exposed externally
🔧 How to fix
Update to **12.5**.
🛡️ 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 'kiwitcms' .` 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
-
1Identify exposure identify
grep -r 'kiwitcms' . | 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 `kiwitcms` を grep し、稼働しているサービス・バージョンを把握する。
-
6Apply patch patch
Upgrade kiwitcms to 12.5ステージング環境で 12.5 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。
-
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
kiwitcms
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"12.5"}]}]
References
- advisory https://nvd.nist.gov/vuln/detail/CVE-2023-36809
- advisory https://github.com/advisories/GHSA-jpgw-2r9m-8qfw
- package https://github.com/kiwitcms/Kiwi
- package https://pypi.org/project/kiwitcms
- web https://github.com/kiwitcms/Kiwi/security/advisories/GHSA-jpgw-2r9m-8qfw
- web https://github.com/kiwitcms/kiwi/commit/195ea53eaaf360c19227c864cc0fe58910032c3c
- web https://github.com/kiwitcms/kiwi/commit/ffb00450be52fe11a82a2507632c2328cae4ec9d
- web https://huntr.dev/bounties/511489dd-ba38-4806-9029-b28ab2830aa8
- web https://huntr.dev/bounties/c6eeb346-fa99-4d41-bc40-b68f8d689223
- web https://kiwitcms.org/blog/kiwi-tcms-team/2023/07/04/kiwi-tcms-125
- web https://www.github.com/kiwitcms/kiwi/commit/195ea53eaaf360c19227c864cc0fe58910032c3c
- web https://www.github.com/kiwitcms/kiwi/commit/ffb00450be52fe11a82a2507632c2328cae4ec9d