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.
Published: 2026-10-03
Score: 3.7 Low
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Sat, 03 Oct 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 3.7, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Sat, 03 Oct 2026 07:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-200

Sat, 03 Oct 2026 06:15:00 +0000

Type Values Removed Values Added
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.
Title MetForm 2.2.1 - 4.3.0 - Unauthenticated Debug File Disclosure via HubSpot Forms Integration
References

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

Published:

Updated: 2026-10-03T15:12:21.948Z

Reserved: 2026-09-08T14:33:20.926Z

Link: CVE-2026-86834

cve-icon Vulnrichment

Updated: 2026-10-03T15:01:39.876Z

cve-icon NVD

Status : Received

Published: 2026-10-03T06:16:44.013

Modified: 2026-10-03T16:16:39.793

Link: CVE-2026-86834

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-03T17:30:08Z

Weaknesses
  • CWE-200

    Exposure of Sensitive Information to an Unauthorized Actor