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OpenAdvisories
Low · 3.7 CVE-2026-86834 EUVD-2026-91940GHSA-cr6m-q4jq-r64m

MetForm 2.2.1 - 4.3.0 - Unauthenticated Debug File Disclosure via HubSpot Forms Integration

Published Oct 3, 2026 · Updated Oct 3, 2026 · Assigned by WPScan

Description

The MetForm WordPress plugin before 4.3.1 does not properly restrict access to a debug file it writes to the web root on every form submission when its HubSpot Forms integration is enabled, allowing unauthenticated attackers to read upstream API response data, including correlation identifiers and cookies.

Affected products

VendorProductAffectedFixed
— MetForm 2.2.1 – < 4.3.1 4.3.1

References