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CVE Record

CVE-2019-4403: IBM Connections 6.0 is vulnerable to cross-site scripting.

IBM Connections 6.0 is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session. IBM X-Force ID: 162264.

MediumCVSS 5.4Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

IBM Connections 6.0 has a cross-site scripting flaw that can let an authenticated user place JavaScript into the web interface. If another user interacts with affected content, the script could alter the page and potentially expose credentials within a trusted session.

Executive priority

Treat as a moderate-priority remediation for any live IBM Connections 6.0 environment. It is not listed as KEV in the bundle, but credential exposure inside trusted sessions can create business risk.

Technical view

CVE-2019-4403 is an IBM Connections 6.0 XSS issue with CVSS 3.0 score 5.4. The vector indicates network access, low privileges, low complexity, required user interaction, changed scope, and low confidentiality and integrity impact. IBM X-Force tracks it as ID 162264.

Likely exposure

Exposure is limited to organizations running IBM Connections 6.0. Risk is higher where many authenticated users can create or view shared web UI content, especially on externally reachable or partner-accessible deployments.

Exploitation context

The bundle does not show CISA KEV listing or cited evidence of active exploitation. The CVSS temporal vector includes E:H, but that should not be read as confirmed active exploitation without supporting source detail.

Researcher notes

Evidence supports IBM Connections 6.0 only. The source bundle does not include exact vulnerable fields, patch identifiers, or workaround text, so validation should rely on IBM advisory details and controlled, non-weaponized testing.

Mitigation direction

  • Identify all IBM Connections 6.0 deployments.
  • Review IBM advisory 10886079 for the official fix or guidance.
  • Apply the vendor-supported update or mitigation.
  • Restrict access to trusted users until remediated.
  • Review risky user-generated content in affected UI areas.

Validation and detection

  • Confirm product version against IBM Connections 6.0 exposure.
  • Check patch status against IBM advisory 10886079.
  • Verify affected UI content cannot execute embedded script.
  • Review logs for suspicious content changes or session anomalies.
  • Confirm no unsupported exposed instances remain.
Prepared
Confidence
high
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-2019-4403 mapping review

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Vulnerability profileCVE Program record
Severity
Medium
CVSS
5.4 (3.0)
Known Exploited
No
Published

Vector: CVSS:3.0/PR:L/S:C/A:N/I:L/AV:N/C:L/AC:L/UI:R/RL:O/E:H/RC:C

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.

1CVSS vectors
0Timeline events
0ADP providers
3Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
5.4CVSS 3.0MediumCVSS:3.0/PR:L/S:C/A:N/I:L/AV:N/C:L/AC:L/UI:R/RL:O/E:H/RC:C2.32.7Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

5.4Medium
CVSS 3.0 vector shape for CVE-2019-4403Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/PR:L/S:C/A:N/I:L/AV:N/C:L/AC:L/UI:R/RL:O/E:H/RC:C

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
IBMConnections6.0Listed
Weakness

CWE details

No CWE listed

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