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CVE Record

CVE-2014-3456: Cross-site scripting (XSS) vulnerability in GitLab Enterprise Edition (EE) 6.6.0 before 6.6.2 allows remote...

Cross-site scripting (XSS) vulnerability in GitLab Enterprise Edition (EE) 6.6.0 before 6.6.2 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2014-3456 is an old cross-site scripting issue in GitLab Enterprise Edition 6.6.0 before 6.6.2. A remote attacker could inject web script or HTML through unspecified vectors. Business urgency depends on whether any legacy GitLab EE 6.6.x systems remain exposed.

Executive priority

Prioritize only if legacy GitLab EE 6.6.x remains in use, especially if internet-facing. For modern or unsupported systems, confirm version status and remove or upgrade legacy deployments rather than treating this as a broad current emergency.

Technical view

The CVE describes XSS in GitLab EE 6.6.0 before 6.6.2, allowing remote script or HTML injection. The public record does not provide CVSS, CWE, authentication requirements, affected endpoints, or exact input vectors. The GitLab 6.6.2 security release is the named remediation reference.

Likely exposure

Exposure is likely limited to organizations still running GitLab Enterprise Edition 6.6.0 or other 6.6.x builds before 6.6.2. The supplied data does not identify GitLab Community Edition, later releases, hosted GitLab, or third-party products as affected.

Exploitation context

The source bundle does not show CISA KEV listing, active exploitation, public exploit availability, or exploitation prerequisites. Treat this as a remotely reachable web application issue when legacy GitLab EE is internet-accessible, but do not assume confirmed exploitation from the provided evidence.

Researcher notes

Key gaps are material: vectors are unspecified, CVSS is absent, and the source bundle does not document authentication, endpoint, or exploit conditions. Validation should focus on asset/version discovery and vendor advisory review rather than assumptions about reachable attack paths.

Mitigation direction

  • Upgrade affected GitLab EE 6.6.x instances to 6.6.2 or a supported newer release.
  • Check GitLab’s security release guidance before selecting any legacy remediation path.
  • Restrict access to any legacy GitLab instance until remediation is complete.
  • Review reverse proxy and WAF logs for unusual script injection attempts.

Validation and detection

  • Inventory GitLab Enterprise Edition instances and record exact version numbers.
  • Confirm no exposed instance runs GitLab EE earlier than 6.6.2 in the 6.6 branch.
  • Review GitLab release notes for the 6.6.2 security release.
  • Check application logs for suspicious HTML or script content in user-controlled fields.
Prepared
Confidence
medium
Sources
3

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-2014-3456 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
2Source 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.