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CVE Record

CVE-2018-18950: KindEditor through 4.1.11 has a path traversal vulnerability in php/upload_json.php.

KindEditor through 4.1.11 has a path traversal vulnerability in php/upload_json.php. Anyone can browse a file or directory in the kindeditor/attached/ folder via the path parameter without authentication.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2018-18950 lets an unauthenticated visitor browse files or directories under KindEditor’s attached upload folder. Business impact depends on whether that folder stores sensitive uploaded content. The public record does not provide CVSS, confirmed patch details, or evidence of active exploitation.

Executive priority

Treat as a targeted exposure review, not an emergency based on current evidence. Prioritize internet-facing systems and any application that stores customer, employee, or regulated files in KindEditor uploads.

Technical view

KindEditor through 4.1.11 is reported vulnerable to path traversal in php/upload_json.php. The path parameter can expose files or directory listings inside kindeditor/attached/ without authentication. The source data does not show broader filesystem access, affected CPEs, or vendor remediation details.

Likely exposure

Exposure is likely in web applications bundling KindEditor through 4.1.11 with the PHP upload_json.php handler publicly reachable and kindeditor/attached/ populated with uploads.

Exploitation context

The CVE is not listed as KEV, and the provided sources do not cite active exploitation. The issue appears remotely reachable without authentication where the vulnerable PHP file is exposed.

Researcher notes

Evidence is sparse: the CVE description and referenced GitHub issue define the vulnerable endpoint and scope. No CVSS vector, CWE, patch version, CPE mapping, or exploitation confirmation is provided in the bundle.

Mitigation direction

  • Inventory applications for KindEditor through 4.1.11.
  • Check vendor or maintainer guidance for an upgrade or supported remediation.
  • If guidance is absent, plan replacement or removal of the vulnerable component.
  • Restrict public reachability of the affected PHP upload browser where feasible.
  • Review uploaded-content handling for sensitive data exposure.

Validation and detection

  • Confirm deployed KindEditor version and bundled PHP files.
  • Verify whether php/upload_json.php is reachable from untrusted networks.
  • Review web logs for requests targeting php/upload_json.php and path parameters.
  • Inspect kindeditor/attached/ contents for sensitive or regulated data.
  • Document whether compensating access controls protect the endpoint.
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

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

description · low confidence lookup

File access behavior lookup

The CVE wording references file access or upload behavior, so file telemetry and web shell review may help. 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-2018-18950 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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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.