CVE-2026-86834
MetForm 2.2.1 - 4.3.0 - Unauthenticated Debug File Disclosure via HubSpot Forms Integration
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | unknown |
| Product | metform |
| Published | Oct 3, 2026 |
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Affected Versions
Unknown / MetForm
2.2.1 < 4.3.1
References
Credits
vuxvinh WPScan