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CVE Record

CVE-2019-1036: Microsoft Office SharePoint XSS Vulnerability

A cross-site-scripting (XSS) vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web request to an affected SharePoint server. An authenticated attacker could exploit the vulnerability by sending a specially crafted request to an affected SharePoint server. The attacker who successfully exploited the vulnerability could then perform cross-site scripting attacks on affected systems and run script in the security context of the current user. The attacks could allow the attacker to read content that the attacker is not authorized to read, use the victim's identity to take actions on the SharePoint site on behalf of the user, such as change permissions and delete content, and inject malicious content in the browser of the user. The security update addresses the vulnerability by helping to ensure that SharePoint Server properly sanitizes web requests.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2019-1036 is a SharePoint cross-site scripting flaw. An authenticated attacker could send a crafted web request and cause script to run as the current user, potentially exposing SharePoint content or letting actions occur under the victim’s identity.

Executive priority

Treat this as a patch and exposure-review item for legacy or externally reachable SharePoint. It is not KEV-listed in the bundle, but the potential business impact includes unauthorized document access, permission misuse, and content deletion under trusted user identities.

Technical view

Microsoft states affected SharePoint and Project Server versions did not properly sanitize specially crafted web requests. Successful exploitation enables XSS in the browser security context of the current SharePoint user, with possible unauthorized content access, permission changes, content deletion, or malicious content injection.

Likely exposure

Organizations running the listed on-premises Microsoft SharePoint or Project Server versions are potentially exposed, especially where authenticated users or partners can access SharePoint sites. The bundle does not establish cloud service exposure.

Exploitation context

The source bundle says exploitation requires an authenticated attacker and a crafted request to an affected SharePoint server. It does not cite CISA KEV listing, active exploitation, public exploit availability, or exploit complexity.

Researcher notes

Do not assume unauthenticated exploitation or active exploitation from the provided evidence. The key validation question is whether affected on-premises SharePoint or Project Server builds remain unpatched and reachable by authenticated users outside trusted groups.

Mitigation direction

  • Apply the relevant Microsoft security update for affected SharePoint or Project Server versions.
  • Prioritize internet-accessible or partner-accessible SharePoint deployments first.
  • Check Microsoft guidance for version-specific update requirements and prerequisites.
  • Restrict SharePoint access to trusted authenticated users where possible.
  • Review SharePoint permissions for excessive user privileges.

Validation and detection

  • Inventory SharePoint Enterprise Server 2016 and SharePoint Server 2019 instances.
  • Check for Project Server 2010 SP2 and SharePoint Foundation 2013 SP1 deployments.
  • Confirm the Microsoft update for CVE-2019-1036 is installed.
  • Review SharePoint audit logs for unusual permission or content changes.
  • Verify exposed SharePoint sites require authentication and appropriate access controls.
Prepared
Confidence
medium
Sources
4

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

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CVE-2019-1036 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
3Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
MicrosoftMicrosoft SharePoint Enterprise Server 201616.0.0Listed
MicrosoftMicrosoft SharePoint Server 201916.0.0Listed
MicrosoftMicrosoft Project Server 2010 Service Pack 213.0.0.0Listed
MicrosoftMicrosoft SharePoint Foundation 2013 Service Pack 115.0.0Listed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.