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CVE-2026-46361
medium
CVSS 6.9
Cross-Site Scripting (XSS) in thorsten/phpmyfaq (CVE-2026-46361)
Summary
cross-site scripting in thorsten/phpmyfaq (CVE-2026-46361). Confidential information can be exposed externally. Exploitable via ``search.twig``. Mitigation: upgrade to `4.1.2` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-46361** has been found in thorsten/phpmyfaq.
Attackers can target a specific entry point like ``search.twig`` over the network to misuse the product.
Confidential information can be exposed externally. CVSS score: 6.9/10.
What to do: upgrade thorsten/phpmyfaq to **4.1.2** or later.
If unsure, ask your IT team or search "thorsten/phpmyfaq CVE-2026-46361" on the vendor's site.
CVE-2026-46361 (thorsten/phpmyfaq) — CWE-79 / CVSS v3 6.9
Attack vector: remote (network-reachable)
Attack surface: `search.twig` / `result.question` / `result.answerPreview` / `faq.twig`
Patched: `4.1.2` — 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 thorsten/phpmyfaq. Attackers reach the vulnerable code path via ``search.twig`` without authentication.
📍 Affected scope
thorsten/phpmyfaq — . Attack surface: `search.twig` / `result.question` / `result.answerPreview` / `faq.twig`.
🔥 Severity
Severity: Medium (CVSS 6.9/10). Confidential information can be exposed externally
🔧 How to fix
Update to **4.1.2**.
🛡️ 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 'thorsten/phpmyfaq' .` 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 'thorsten/phpmyfaq' . | 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 `thorsten/phpmyfaq` 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 thorsten/phpmyfaq to 4.1.2ステージング環境で 4.1.2 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
composer
thorsten/phpmyfaq
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.1.2"}]}]
composer
phpmyfaq/phpmyfaq
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.1.2"}]}]
Packagist
phpmyfaq/phpmyfaq
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.1.2"}]}]
Packagist
thorsten/phpmyfaq
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.1.2"}]}]
References
- advisory https://nvd.nist.gov/vuln/detail/CVE-2026-46361
- package https://github.com/thorsten/phpMyFAQ
- web https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-pqh6-8fxf-jx22
- web https://www.vulncheck.com/advisories/phpmyfaq-stored-cross-site-scripting-via-raw-filter-in-search-twig
- web https://github.com/advisories/GHSA-478m-mrw4-qf2w
- web https://github.com/advisories/GHSA-pqh6-8fxf-jx22