CVE-2026-86834
MetForm 2.2.1 - 4.3.0 - Unauthenticated Debug File Disclosure via HubSpot Forms Integration
- State
- Published
- Severity
- 3.7 Low
- Published
- Oct 3, 2026
- Updated
- Oct 3, 2026
- Reserved
- Sep 8, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 3.7 Low | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N | CISA-ADP |
Weaknesses
- CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
Affected Products
| Product | Versions |
|---|---|
MetFormUnknown |
|
References
- https://wpscan.com/vulnerability/a56b7e26-9070-4c38-bdc1-7289b5829638/exploitvdb-entrytechnical-description
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