WordPress Plugin Vulnerabilities
MetForm 2.2.1 - 4.3.0 - Unauthenticated Debug File Disclosure via HubSpot Forms Integration
Description
The plugin 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.
Proof of Concept
Affects Plugins
Fixed in 4.3.1 References
CVE
Classification
Type
SENSITIVE DATA DISCLOSURE
OWASP top 10
CWE
CVSS
Miscellaneous
Original Researcher
vuxvinh
Submitter
vuxvinh
Verified
Yes
WPVDB ID
Timeline
Publicly Published
2026-10-01 (about 2 days ago)
Added
2026-10-01 (about 1 day ago)
Last Updated
2026-10-01 (about 1 day ago)
