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CVE-2022-2514
Cross-Site Scripting (XSS) in fava (CVE-2022-2514)
Summary
cross-site scripting in fava (CVE-2022-2514). Risk of unauthorized operations or information disclosure. Mitigation: upgrade to `1.22` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2022-2514** has been found in fava.
Risk of unauthorized operations or information disclosure. CVSS score: ?/10.
What to do: upgrade fava to **1.22** or later.
If unsure, ask your IT team or search "fava CVE-2022-2514" on the vendor's site.
CVE-2022-2514 (fava) — CWE-79 /
Attack vector: remote (network-reachable) / unauthenticated
Patched: `1.22` — 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 fava.
📍 Affected scope
fava — .
🔥 Severity
Severity: ?. Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to **1.22**.
🛡️ 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 'fava' .` 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 'fava' . | 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 `fava` 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 fava to 1.22ステージング環境で 1.22 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
fava
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.22"}]}]
pip
fava
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.22"}]}]
References
- advisory https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/2xxx/CVE-2022-2514.json
- advisory https://nvd.nist.gov/vuln/detail/CVE-2022-2514
- advisory https://github.com/advisories/GHSA-xrf4-39fm-j5f2
- package https://github.com/beancount/fava
- web https://huntr.dev/bounties/dbf77139-4384-4dc5-9994-45a5e0747429
- web https://github.com/beancount/fava/commit/ca9e3882c7b5fbf5273ba52340b9fea6a99f3711
- web https://github.com/pypa/advisory-database/tree/main/vulns/fava/PYSEC-2022-239.yaml
- web https://github.com/pypa/advisory-database/tree/main/vulns/fava/PYSEC-2022-43182.yaml