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CVE-2025-54589
Cross-Site Scripting (XSS) in copyparty (CVE-2025-54589)
Summary
cross-site scripting in copyparty (CVE-2025-54589). Risk of unauthorized operations or information disclosure. Exploitable via ``filter``. Mitigation: upgrade to `1.18.7` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2025-54589** has been found in copyparty.
Attackers can target a specific entry point like ``filter`` over the network to misuse the product.
Risk of unauthorized operations or information disclosure. CVSS score: ?/10.
What to do: upgrade copyparty to **1.18.7** or later.
If unsure, ask your IT team or search "copyparty CVE-2025-54589" on the vendor's site.
CVE-2025-54589 (copyparty) — CWE-79 /
Attack vector: remote (network-reachable) / unauthenticated
Attack surface: `filter`
Patched: `1.18.7` — 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 copyparty. Attackers reach the vulnerable code path via ``filter`` without authentication.
📍 Affected scope
copyparty — . Attack surface: `filter`.
🔥 Severity
Severity: ?. Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to **1.18.7**.
🛡️ 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 'copyparty' .` 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 'copyparty' . | 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 `copyparty` 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 copyparty to 1.18.7ステージング環境で 1.18.7 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
copyparty
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.18.7"}]}]
References
- advisory https://nvd.nist.gov/vuln/detail/CVE-2025-54589
- advisory https://github.com/advisories/GHSA-8mx2-rjh8-q3jq
- package https://github.com/9001/copyparty
- package https://pypi.org/project/copyparty
- web https://github.com/9001/copyparty/security/advisories/GHSA-8mx2-rjh8-q3jq
- web https://github.com/9001/copyparty/commit/a8705e611d05eeb22be5d3d7d9ab5c020fe54c62
- web https://github.com/9001/copyparty/releases/tag/v1.18.7