WordPress Plugin Vulnerabilities

MetForm < 4.3.1 - Unauthenticated Form Entry Data Disclosure via REST API

Description

The plugin does not properly restrict access to form submission data, allowing unauthenticated attackers to view submitter information through the REST API.

Proof of Concept

Affects Plugins

Plugin icon
metform
Fixed in 4.3.1

References

CVE
CVE-2026-86832

Classification

Type
SENSITIVE DATA DISCLOSURE
OWASP top 10
A3: Sensitive Data Exposure
CWE
CWE-200
CVSS
5.3 (medium)

Miscellaneous

Original Researcher
Shirshak
Submitter
Shirshak
Verified
Yes
WPVDB ID
d73e4c95-471b-4f22-97a0-b6a59f187bcd

Timeline

Publicly Published
2026-10-01 (about 2 days ago)
Added
2026-10-01 (about 1 day ago)
Last Updated
2026-10-01 (about 1 day ago)

Other

Published
Title
Published
2024-11-05
Title
Contact Form 7 – Dynamic Text Extension < 4.5.1 - Information Disclosure via Shortcode
Published
2024-04-09
Title
WP Encryption – One Click Free SSL Certificate & SSL / HTTPS Redirect to Force HTTPS, SSL Score < 7.1.0 - Sensitive Information Exposure via insufficiently protected files
Published
2021-09-01
Title
Gutenberg Template Library & Redux Framework < 4.2.13 - Unauthenticated Sensitive Information Disclosure
Published
2026-07-23
Title
PeproDev Ultimate Invoice <= 2.2.6 - Unauthenticated Information Exposure
Published
2026-09-14
Title
LearnPress < 4.4.7 - Unauthenticated Unpublished Course Disclosure via REST API