Cross-Site Scripting (XSS) in CubeCart (CVE-2026-39428)
Summary
Cross-site scripting in CubeCart (CVE-2026-39428). Risk of unauthorized operations or information disclosure. Mitigation: upgrade to 6.6.0 or later.
Original description
The description as published by the source.
CubeCart is an ecommerce software solution. Prior to 6.6.0, a Stored Cross-Site Scripting (XSS) vulnerability exists in CubeCart v6.x. An attacker with administrative privileges can inject malicious JavaScript payloads into multiple fields during the creation or modification of a product. These payloads are stored in the database and executed whenever a user (customer or another administrator) views the affected product pages, which could lead to session hijacking or unauthorized actions. This vulnerability is fixed in 6.6.0.
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-2026-39428 has been found in CubeCart.
Risk of unauthorized operations or information disclosure. CVSS score: 4.8/10.
What to do: upgrade CubeCart to 6.6.0 or later.
If unsure, ask your IT team or search "CubeCart CVE-2026-39428" on the vendor's site.
CVE-2026-39428 (CubeCart) — CWE-79 / CVSS v3 4.8
Attack vector: remote (network-reachable)
Patched: 6.6.0 — 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.
Cross-site scripting (XSS) (CWE-79) exists in CubeCart.
Check the vendor advisory for the affected versions of CubeCart.
Severity: Medium (CVSS 4.8/10). Risk of unauthorized operations or information disclosure.
Update to 6.6.0.
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run grep -r 'CubeCart' . 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 'CubeCart' . | 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
CubeCartを grep し、稼働しているサービス・バージョンを把握する。 -
2Apply patch patch
Upgrade CubeCart to 6.6.0ステージング環境で 6.6.0 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。
-
3Post-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。
References
- advisory github.com
- advisory github.com
- advisory nvd.nist.gov