CVE-2026-19857

MEDIUMCVSS 4.8

Description

The Formidable Forms WordPress plugin before 6.35 does not prevent a request-derived value from reaching the WordPress shortcode parser when it substitutes a supported token into a form's custom HTML, allowing unauthenticated visitors to have arbitrary shortcodes, with attacker-chosen attributes, executed server-side on any page displaying an affected form.

Timeline

Published:September 16th, 2026 7:16 AM

Last modified:September 16th, 2026 8:25 PM

CVSS Scoring

CVSS v3: 4.8 (MEDIUM)

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

Weaknesses (CWE)

CWE-74

References & Reports

Advisories, patches, and third-party reports

https://wpscan.com/vulnerability/5ff439f4-aa99-4198-b908-0cf098656cf7/

Source: NIST NVD · Data may lag official sources by up to one minute