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CVE Record

CVE-2023-47873: WordPress WP Child Theme Generator plugin <= 1.0.9 - Arbitrary File Upload vulnerability

Unrestricted Upload of File with Dangerous Type vulnerability in WEN Solutions WP Child Theme Generator.This issue affects WP Child Theme Generator: from n/a through 1.0.9.

CriticalCVSS 9.1Not KEV-listedUpdated
Glexia's TakeAutomated analysiscritical

Security readout for executives and security teams

Plain-English summary

This CVE affects the WordPress WP Child Theme Generator plugin from WEN Solutions through version 1.0.9. The reported flaw allows upload of dangerous file types. Because the CVSS vector shows network access, low complexity, and high confidentiality, integrity, and availability impact, exposed WordPress sites using this plugin should be treated as high business risk.

Executive priority

Prioritize this for immediate inventory and remediation planning on any WordPress estate. The attacker prerequisite is high privilege, but the potential impact is full site and data compromise. Treat affected internet-facing or business-critical sites first.

Technical view

CVE-2023-47873 is a CWE-434 unrestricted file upload issue in WP Child Theme Generator. The CVSS 3.1 score is 9.1 with PR:H, UI:N, and changed scope, meaning exploitation requires high privileges but no user interaction and can have full CIA impact. The source bundle does not name a fixed version or detailed exploit mechanics.

Likely exposure

Exposure is likely limited to WordPress sites with WEN Solutions WP Child Theme Generator installed at affected versions through 1.0.9. The source data does not provide CPEs, install counts, default configuration details, or hosting-specific exposure conditions.

Exploitation context

The CVE is not listed as KEV in the supplied bundle, and no cited source states active exploitation. The risk is still serious because arbitrary dangerous file uploads on WordPress can create severe compromise paths, especially where privileged accounts are exposed or reused.

Researcher notes

The supplied sources agree on unrestricted upload of dangerous file types, but the bundle title says through 1.0.9 while the Patchstack URL text references 1.0.8. No exploit steps, patch version, PoC, or active exploitation evidence is provided in the bundle.

Mitigation direction

  • Inventory WordPress sites for WP Child Theme Generator through version 1.0.9.
  • Check WEN Solutions and Patchstack guidance for a fixed release or vendor mitigation.
  • Disable or remove the plugin where no safe fixed version is confirmed.
  • Restrict WordPress administrator access and review privileged account security.
  • Monitor WordPress filesystems for unexpected new plugin, theme, or upload files.

Validation and detection

  • Confirm plugin presence and version across production and staging WordPress sites.
  • Review administrative user activity around plugin and theme file operations.
  • Check web server and WordPress logs for suspicious upload events.
  • Compare plugin, theme, and upload directories against known-good backups.
  • Document whether a vendor-fixed version is available before marking remediated.
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.

cwe · medium confidence lookup

CWE-434: File access and web shell behavior lookup

File traversal and upload weaknesses can lead teams to review file, web shell, execution, and collection telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

Open ATT&CK lookup
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-2023-47873 mapping review

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

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Critical
CVSS
9.1 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

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
2Source 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
9.1CVSS 3.1CriticalCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H2.36Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

9.1Critical
CVSS 3.1 vector shape for CVE-2023-47873Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

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

Products and packages named in the record

VendorProductVersion / packageStatus
WEN SolutionsWP Child Theme Generatorwp-child-theme-generator, n/aunaffected
Weakness

CWE details

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

CWE-434 · source CWE mapping

Unrestricted Upload of File with Dangerous Type

Unrestricted Upload of File with Dangerous Type represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.