CVE-2026-16058
Received Received - Intake

Unauthenticated Access to Vendor Financial Data in YayCurrency WordPress Plugin

Publication date: 2026-08-19

Last updated on: 2026-08-19

Assigner: WPScan

Description
The YayCurrency WordPress plugin before 3.3.5 does not perform any capability or ownership check on several of its multi-vendor integration handlers that are reachable by unauthenticated users, allowing anyone to read the store's order totals and its vendors' earnings, balance ledgers, and withdrawal histories by iterating identifiers.

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Meta Information

Published
2026-08-19
Last Modified
2026-08-19
Generated
2026-08-19
AI Q&A
2026-08-19
EPSS Evaluated
N/A
NVD
CVE-2026-16058
EUVD
EUVD-2026-62269

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
yaycurrency yaycurrency to 3.3.5 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

The YayCurrency WordPress plugin before version 3.3.5 has an unauthenticated access vulnerability due to missing capability or ownership checks in its multi-vendor integration handlers. This allows anyone to access sensitive financial data by iterating through identifiers.

Detection Guidance

Check if the YayCurrency plugin version is below 3.3.5 by inspecting the WordPress admin panel or using commands like 'wp plugin list' in WP-CLI. Look for unauthenticated access to endpoints handling financial data by monitoring network traffic or logs for requests to multi-vendor integration handlers.

Impact Analysis

Unauthenticated users can read store order totals, vendor earnings, balance ledgers, and withdrawal histories. This exposes sensitive financial information and violates data confidentiality.

Compliance Impact

This vulnerability likely violates GDPR and HIPAA due to unauthorized access to financial data. GDPR requires protecting personal data, while HIPAA mandates securing protected health information. Non-compliance risks legal penalties.

Mitigation Strategies

Update the YayCurrency plugin to version 3.3.5 or later immediately. If updating is not possible, disable the plugin temporarily until a patch is applied. Review server logs for signs of exploitation and restrict access to sensitive endpoints.

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