CVE-2026-126639
Received Received - Intake

WP Ultimate CSV Importer File Exposure Vulnerability

Publication date: 2026-11-14

Last updated on: 2026-11-14

Assigner: WPScan

Description
The WP Ultimate CSV Importer WordPress plugin before 9.2, WP Ultimate CSV Importer Pro WordPress plugin before 9.0.7 do not protect the files created by their single post export feature, writing them to a publicly accessible location under a predictable name, allowing unauthenticated attackers to download the content and custom fields of any exported post, including non-public content.

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Meta Information

Published
2026-11-14
Last Modified
2026-11-14
Generated
2026-11-14
AI Q&A
2026-11-14
EPSS Evaluated
N/A
NVD
CVE-2026-126639
EUVD
EUVD-2026-125867

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
Unknown WP Ultimate CSV Importer From 0 (inc) to 9.2 (exc)
Unknown WP Ultimate CSV Importer Pro From 0 (inc) to 9.0.7 (exc)

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This vulnerability affects the WP Ultimate CSV Importer and its Pro version. It allows unauthenticated attackers to access exported post data because the plugin saves files in a publicly accessible location with predictable names. Attackers can download content and custom fields, including non-public information, from any exported post.

Detection Guidance

Check for publicly accessible files in the plugin's export directory with predictable names. Look for files like 'export_[post_id].csv' or similar patterns in the WordPress uploads folder. Use commands like 'curl -I http://[your-site]/wp-content/uploads/csv_importer/export_[post_id].csv' to test access.

Impact Analysis

Unauthenticated attackers can access sensitive data from exported posts, including private content and custom fields. This could lead to data breaches, unauthorized information disclosure, or compliance violations depending on the data exposed.

Compliance Impact

This vulnerability could result in unauthorized access to personal or sensitive data, potentially violating GDPR (data protection) and HIPAA (health information privacy) requirements. Organizations may face legal penalties or reputational damage if non-compliance is proven.

Mitigation Strategies

Update the WP Ultimate CSV Importer plugin to version 9.2 (free) or 9.0.7 (pro) immediately. If updating is not possible, disable the single post export feature or restrict access to the export directory via server configuration.

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