Cross-Site Scripting (XSS) in mkdocs-material (CVE-2026-73295)
Summary
Cross-site scripting in mkdocs-material (CVE-2026-73295). Risk of unauthorized operations or information disclosure. Exploitable via search.suggest. Mitigation: upgrade to 9.7.7 or later.
Original description
The description as published by the source.
Impact
Material for MkDocs 7.2.0 through 9.7.6 contains a DOM-based cross-site scripting vulnerability in the optional search.suggest feature. A crafted q URL parameter could execute JavaScript in the documentation site's origin after user interaction.
Patches
The issue is fixed in Material for MkDocs 9.7.7. Users should upgrade to 9.7.7 or later.
Workarounds
Sites unable to upgrade should disable the search.suggest feature.
Source: NIST National Vulnerability Database NVD GitHub Advisory
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
A vulnerability tracked as CVE-2026-73295 has been found in mkdocs-material.
Attackers can target a specific entry point like search.suggest over the network to misuse the product.
Risk of unauthorized operations or information disclosure. CVSS score: 5.4/10.
What to do: upgrade mkdocs-material to 9.7.7 or later.
If unsure, ask your IT team or search "mkdocs-material CVE-2026-73295" on the vendor's site.
CVE-2026-73295 (mkdocs-material) — CWE-79 / CVSS v3 5.4
Attack vector: remote (network-reachable) / unauthenticated
Attack surface: search.suggest
Patched: 9.7.7 — apply immediately
Workaround: Sites unable to upgrade should disable the search.suggest feature.
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.
Cross-site scripting (XSS) (CWE-79) exists in mkdocs-material. Attackers reach the vulnerable code path via search.suggest without authentication.
Check the vendor advisory for the affected versions of mkdocs-material. Attack surface: search.suggest.
Severity: Medium (CVSS 5.4/10). Risk of unauthorized operations or information disclosure.
Update to 9.7.7.
Workaround: Sites unable to upgrade should disable the search.suggest feature.
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run grep -r 'mkdocs-material' . against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
-
1Identify exposure identify
grep -r 'mkdocs-material' . | 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
mkdocs-materialを grep し、稼働しているサービス・バージョンを把握する。 -
2Apply temporary workaround mitigate
Sites unable to upgrade should disable the `search.suggest` feature.パッチが適用されるまでの応急処置として、Sites unable to upgrade should disable the
search.suggestfeature. を実施。回避策の副作用 (機能低下) を確認した上で。 -
3Apply patch patch
Upgrade mkdocs-material to 9.7.7ステージング環境で 9.7.7 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を含めること。
-
4Post-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。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。
Affected packages
Fix status by distribution
Fixed packages published by each distribution for this CVE
- Debian DEBIAN-CVE-2026-73295 mkdocs-material
- Ubuntu UBUNTU-CVE-2026-73295 mkdocs-material
References
- web github.com
- web github.com
- web github.com
- web nvd.nist.gov
- web github.com