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CVE Record

CVE-2018-11331: An issue was discovered in Pluck before 4.7.6.

An issue was discovered in Pluck before 4.7.6. Remote PHP code execution is possible because the set of disallowed filetypes for uploads in missing some applicable ones such as .phtml and .htaccess.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

Pluck CMS versions before 4.7.6 allowed uploads with file types that should have been blocked. In affected deployments, this could let a remote actor get PHP code executed on the server. That is a serious website takeover risk, but the provided sources do not show active exploitation.

Executive priority

Treat this as a high-priority remediation for any Pluck CMS site exposed to the internet. Remote code execution can lead to full website compromise, but urgency should be tied to confirmed Pluck usage and version.

Technical view

CVE-2018-11331 is a remote PHP code execution issue in Pluck before 4.7.6. The upload denylist missed executable or server-influencing extensions including .phtml and .htaccess. The bundle does not provide CVSS, CWE, authentication requirements, or exploit maturity details.

Likely exposure

Exposure is most likely in internet-facing Pluck CMS installations running versions earlier than 4.7.6 where upload functionality is reachable. The sources do not specify whether exploitation requires authentication or a particular server configuration.

Exploitation context

The source bundle supports possible remote PHP code execution through insufficient upload file type blocking. It does not cite CISA KEV, public active exploitation, exploitation in the wild, or a complete exploit chain.

Researcher notes

Evidence is limited to the CVE record, a GitHub issue, and a fixing commit. The sources identify the vulnerable version range and denylist gap, but not prerequisites, affected configurations, CVSS scoring, or observed exploitation.

Mitigation direction

  • Upgrade Pluck CMS to 4.7.6 or later where applicable.
  • Review the referenced Pluck issue and fixing commit for vendor-specific guidance.
  • Restrict access to upload features until the upgrade is complete.
  • Verify web server rules prevent uploaded files from executing as PHP.
  • Inspect existing uploads for unexpected executable or configuration files.

Validation and detection

  • Inventory all Pluck CMS deployments and record exact versions.
  • Confirm no deployment is running a version earlier than 4.7.6.
  • Review upload directories for .phtml, .htaccess, and other executable file types.
  • Check server configuration for PHP execution inside upload paths.
  • Confirm monitoring covers suspicious uploads and unexpected PHP execution.
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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description · low confidence lookup

Execution behavior lookup

The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2018-11331 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
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.