Cross-Site Scripting (XSS) in Sitecore Experience Platform (CVE-2016-8855)
Summary
Cross-site scripting in Sitecore Experience Platform (CVE-2016-8855). Risk of unauthorized operations or information disclosure. Mitigation: upgrade to 8.2 or later.
Original description
The description as published by the source.
Cross-Site Scripting (XSS) in "/sitecore/client/Applications/List Manager/Taskpages/Contact list" in Sitecore Experience Platform 8.1 rev. 160519 (8.1 Update-3) allows remote attacks via the Name or Description parameter. This is fixed in 8.2 Update-2.
Source: NIST National Vulnerability Database NVD
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-2016-8855 has been found in Sitecore Experience Platform.
Risk of unauthorized operations or information disclosure. CVSS score: 6.1/10.
What to do: upgrade Sitecore Experience Platform to 8.2 or later.
If unsure, ask your IT team or search "Sitecore Experience Platform CVE-2016-8855" on the vendor's site.
CVE-2016-8855 (Sitecore Experience Platform) — CWE-79 / CVSS v3 6.1
Attack vector: remote (network-reachable) / unauthenticated
Patched: 8.2 — 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.
Cross-site scripting (XSS) (CWE-79) exists in Sitecore Experience Platform.
Check the vendor advisory for the affected versions of Sitecore Experience Platform.
Severity: Medium (CVSS 6.1/10). Risk of unauthorized operations or information disclosure.
Update to 8.2.
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. Audit SBOM/dependencies to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
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1Identify exposure identify
Audit SBOM/dependencies for affected components.資産台帳・SBOM・依存マニフェストで Sitecore Experience Platform を使っているサービスとバージョンを洗い出す。
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2Apply patch patch
Upgrade Sitecore Experience Platform to 8.2ステージング環境で 8.2 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を含めること。
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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
- exploit packetstormsecurity.com
- exploit exploit-db.com