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CVE Record

CVE-2023-6979: Customer Reviews for WooCommerce <= 5.38.9 - Authenticated (Author+) Arbitrary File Upload

The Customer Reviews for WooCommerce plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the ivole_import_upload_csv AJAX action in all versions up to, and including, 5.38.9. This makes it possible for authenticated attackers, with author-level access and above, to upload arbitrary files on the affected site's server which may make remote code execution possible.

HighCVSS 8.8Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

A WordPress WooCommerce reviews plugin allowed logged-in users with Author-level access or higher to upload files without proper type checks. On affected sites, that could let an insider or compromised contributor account place dangerous files on the server and potentially run code.

Executive priority

Treat as urgent for affected WordPress commerce sites, especially where multiple contributors can log in. The vulnerability requires credentials, but a compromised author account could escalate into server compromise. Prioritize update and role review before routine backlog work.

Technical view

Customer Reviews for WooCommerce through 5.38.9 is affected by CWE-434 in the ivole_import_upload_csv AJAX action. The issue is missing file type validation during import upload handling, enabling authenticated Author+ attackers to upload arbitrary files. CVSS 3.1 is 8.8 with low complexity and high confidentiality, integrity, and availability impact.

Likely exposure

Exposure is limited to WordPress sites running Customer Reviews for WooCommerce version 5.38.9 or earlier. The attacker needs an authenticated account with Author privileges or higher, so sites with many contributors, weak account controls, or compromised author accounts face greater risk.

Exploitation context

The source bundle does not show CISA KEV listing or confirmed active exploitation. It describes a remotely reachable authenticated attack path requiring low privileges and no user interaction. Arbitrary upload may make remote code execution possible, but exploitability depends on server handling of uploaded files.

Researcher notes

Focus validation on plugin version, role exposure, and the import upload AJAX path. The public record identifies the vulnerable action and missing file type validation, but this assessment does not include exploit proof or detailed patch analysis beyond referenced WordPress Trac changesets.

Mitigation direction

  • Upgrade Customer Reviews for WooCommerce beyond 5.38.9 or to the vendor-recommended fixed release.
  • Restrict Author and higher WordPress roles to trusted users only.
  • Disable the plugin if an immediate update is not possible.
  • Review vendor and Wordfence guidance for version-specific remediation details.

Validation and detection

  • Inventory WordPress sites using Customer Reviews for WooCommerce.
  • Confirm installed plugin versions are newer than 5.38.9.
  • Audit Author, Editor, Administrator, and service accounts for unnecessary access.
  • Review webroot and upload locations for unexpected executable files.
  • Check logs for unusual authenticated import upload activity.
Prepared
Confidence
high
Sources
6

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

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
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-2023-6979 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
High
CVSS
8.8 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/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
6Source 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
8.8CVSS 3.1HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H2.85.9Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

8.8High
CVSS 3.1 vector shape for CVE-2023-6979Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/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
ivoleCustomer Reviews for WooCommerce0unaffected
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.