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CVE Record

CVE-2020-4760: IBM Content Navigator 3.0CD is vulnerable to cross-site scripting.

IBM Content Navigator 3.0CD 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: 188737.

MediumCVSS 5.4Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

IBM Content Navigator 3.0.CD has a cross-site scripting flaw that could let an authenticated user place JavaScript into the web interface. If another user interacts with that content, the script could change page behavior and potentially expose credentials inside a trusted session.

Executive priority

Treat as a moderate-priority remediation item. It is not described as unauthenticated or actively exploited, but it can affect trusted sessions and credential exposure in a business content platform.

Technical view

The CVE describes network-reachable XSS in IBM Content Navigator 3.0.CD. CVSS 3.0 score is 5.4 with low complexity, low privileges required, user interaction required, changed scope, low confidentiality and integrity impact, and no availability impact. IBM X-Force tracks it as ID 188737.

Likely exposure

Exposure is limited to organizations running IBM Content Navigator 3.0.CD. Risk is higher where the web UI is broadly reachable and authenticated users can submit or embed content rendered to other users.

Exploitation context

The bundle does not show CISA KEV listing or cited active exploitation. The CVSS vector includes exploit maturity high, but the provided sources do not establish active exploitation in the wild.

Researcher notes

Key constraints are PR:L and UI:R, so practical risk depends on user roles, stored content paths, and who views submitted content. The source bundle names only IBM Content Navigator 3.0.CD; do not broaden scope without vendor evidence.

Mitigation direction

  • Review IBM advisory 6365329 for official remediation guidance.
  • Identify and prioritize all IBM Content Navigator 3.0.CD deployments.
  • Restrict access to trusted users until vendor remediation is applied.
  • Monitor for suspicious user-supplied content in the web UI.
  • Avoid treating browser session trust as protection against authenticated XSS.

Validation and detection

  • Confirm whether IBM Content Navigator 3.0.CD is deployed.
  • Map externally reachable and internal-only Content Navigator interfaces.
  • Verify remediation status against IBM advisory 6365329 and X-Force 188737.
  • Review logs for unusual UI content changes or credential-related anomalies.
  • Test XSS protections only in an authorized, non-production validation environment.
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-2020-4760 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/I:L/A:N/AC:L/C:L/UI:R/PR:L/S:C/AV:N/E:H/RL:O/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/I:L/A:N/AC:L/C:L/UI:R/PR:L/S:C/AV:N/E:H/RL:O/RC:C2.32.7Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

5.4Medium
CVSS 3.0 vector shape for CVE-2020-4760Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/I:L/A:N/AC:L/C:L/UI:R/PR:L/S:C/AV:N/E:H/RL:O/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
IBMContent Navigator3.0.CDListed
Weakness

CWE details

No CWE listed

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