CVE-2026-86834

low

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.

References

https://wpscan.com/vulnerability/a56b7e26-9070-4c38-bdc1-7289b5829638/

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-91940

Details

Source: Mitre, NVD

Published: 2026-10-03

Updated: 2026-10-06

Risk Information

CVSS v2

Base Score: 2.6

Vector: CVSS2#AV:N/AC:H/Au:N/C:P/I:N/A:N

Severity: Low

CVSS v3

Base Score: 3.7

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Severity: Low

EPSS

EPSS: 0.00178