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CVE-2022-39348
Cross-Site Scripting (XSS) in twisted (CVE-2022-39348)
Summary
cross-site scripting in twisted (CVE-2022-39348). Risk of unauthorized operations or information disclosure. Exploitable via `Host header`. Mitigation: upgrade to `22.10.0rc1` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2022-39348** has been found in twisted.
Attackers can target a specific entry point like `Host header` over the network to misuse the product.
Risk of unauthorized operations or information disclosure. CVSS score: ?/10.
What to do: upgrade twisted to **22.10.0rc1** or later.
If unsure, ask your IT team or search "twisted CVE-2022-39348" on the vendor's site.
CVE-2022-39348 (twisted) — CWE-79 /
Attack vector: remote (network-reachable)
Attack surface: Host header / `twisted.web.vhost.NameVirtualHost` / `NoResource`
Patched: `22.10.0rc1` — 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 twisted. Attackers reach the vulnerable code path via `Host header` without authentication.
📍 Affected scope
twisted — . Attack surface: Host header / `twisted.web.vhost.NameVirtualHost` / `NoResource`.
🔥 Severity
Severity: ?. Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to **22.10.0rc1**.
🛡️ 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 'twisted' .` 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 'twisted' . | 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 `twisted` 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 twisted to 22.10.0rc1ステージング環境で 22.10.0rc1 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
twisted
[{"type":"ECOSYSTEM","events":[{"introduced":"0.9.4"},{"fixed":"22.10.0rc1"}]}]
References
- advisory https://nvd.nist.gov/vuln/detail/CVE-2022-39348
- advisory https://github.com/advisories/GHSA-vg46-2rrj-3647
- package https://github.com/twisted/twisted
- package https://pypi.org/project/twisted
- web https://github.com/twisted/twisted/security/advisories/GHSA-vg46-2rrj-3647
- web https://github.com/twisted/twisted/commit/f2f5e81c03f14e253e85fe457e646130780db40b
- web https://github.com/twisted/twisted/commit/f49041bb67792506d85aeda9cf6157e92f8048f4
- web https://lists.debian.org/debian-lts-announce/2022/11/msg00038.html
- web https://lists.debian.org/debian-lts-announce/2024/11/msg00028.html
- web https://security.gentoo.org/glsa/202301-02