low3.7
CVE-2026-86834
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…
Impact
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
| Product | Affected versions |
|---|---|
| MetForm WordPress Plugin | before 4.3.1 |
Versions were read from the advisory text. No structured product data has been published for this record yet.