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CVE Record

CVE-2019-13127: An issue was discovered in mxGraph through 4.0.0, related to the "draw.io Diagrams" plugin before 8.3.14 fo...

An issue was discovered in mxGraph through 4.0.0, related to the "draw.io Diagrams" plugin before 8.3.14 for Confluence and other products. Improper input validation/sanitization of a color field leads to XSS. This is associated with javascript/examples/grapheditor/www/js/Dialogs.js.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2019-13127 is a cross-site scripting issue tied to mxGraph through 4.0.0 and the draw.io Diagrams plugin before 8.3.14. A poorly sanitized color field could let malicious script run in a user's browser. The bundle does not show active exploitation or a CVSS score.

Executive priority

Handle as a targeted remediation item for collaboration and documentation platforms. It is not marked as actively exploited, but XSS in Confluence-style systems can affect trusted users and sensitive internal content. Prioritize confirming plugin versions and upgrading exposed older deployments.

Technical view

The issue is improper validation or sanitization of a color field, associated with mxGraph's javascript/examples/grapheditor/www/js/Dialogs.js. The CVE links it to draw.io Diagrams for Confluence before 8.3.14 and other unspecified products. Public evidence names an upstream commit, but supplied metadata lacks CVSS, CWE, and detailed affected CPEs.

Likely exposure

Exposure is most likely where draw.io Diagrams for Confluence before 8.3.14 or mxGraph through 4.0.0 is deployed. The source bundle says “other products” but does not identify them, so inventory should focus on direct mxGraph use and packaged plugin deployments.

Exploitation context

No supplied source or KEV status indicates active exploitation. The vulnerability class is XSS, so impact depends on whether an attacker can influence the affected color field and whether victims view the resulting content in a trusted application context.

Researcher notes

The evidence is narrow: CVE description, vendor version history, SySS advisory link, and one mxGraph commit. Affected CPEs, CVSS, CWE mapping, and product list are absent in the supplied bundle. Avoid broad claims beyond mxGraph through 4.0.0 and draw.io Diagrams before 8.3.14.

Mitigation direction

  • Inventory draw.io Diagrams for Confluence and mxGraph deployments.
  • Prioritize draw.io Diagrams versions before 8.3.14 for review or upgrade.
  • Review the referenced mxGraph commit before backporting any local fork fix.
  • Check vendor guidance for unspecified affected products before assuming coverage.
  • Treat stored user-created diagrams as potentially risky until versions are confirmed.

Validation and detection

  • Confirm installed draw.io Diagrams plugin versions in Atlassian administration.
  • Search application dependencies for mxGraph versions through 4.0.0.
  • Check whether local code includes the referenced Dialogs.js path.
  • Review security logs for suspicious diagram or color-field content.
  • Verify remediation against vendor release notes or the upstream commit.
Prepared
Confidence
medium
Sources
5

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.

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CVE-2019-13127 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
4Source 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
n/an/an/aListed
Weakness

CWE details

No CWE listed

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