Cross-Site Scripting (XSS) in Microsoft SharePoint Foundation 2013 Service Pack (CVE-2017-8745)
Summary
Cross-site scripting in Microsoft SharePoint Foundation 2013 Service Pack (CVE-2017-8745). Risk of unauthorized operations or information disclosure.
Original description
The description as published by the source.
An elevation of privilege vulnerability exists in Microsoft SharePoint Foundation 2013 Service Pack 1 when it does not properly sanitize a specially crafted web request to an affected SharePoint server, aka "Microsoft SharePoint Cross Site Scripting Vulnerability".
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-2017-8745 has been found in Microsoft SharePoint Foundation 2013 Service Pack.
Risk of unauthorized operations or information disclosure. CVSS score: 5.4/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "Microsoft SharePoint Foundation 2013 Service Pack CVE-2017-8745" on the vendor's site.
CVE-2017-8745 (Microsoft SharePoint Foundation 2013 Service Pack) — CWE-79 / CVSS v3 5.4
Attack vector: remote (network-reachable)
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 Microsoft SharePoint Foundation 2013 Service Pack.
Check the vendor advisory for the affected versions of Microsoft SharePoint Foundation 2013 Service Pack.
Severity: Medium (CVSS 5.4/10). Risk of unauthorized operations or information disclosure.
Update to the patched release per vendor advisory.
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 Microsoft SharePoint Foundation 2013 Service Pack 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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2Post-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 securityfocus.com
- patch portal.msrc.microsoft.com