---
id: CVE-2026-104814
title: Unauthenticated Cross Site Scripting (XSS) in Form Block <= 1.8.1 versions.
summary: Unauthenticated Cross Site Scripting (XSS) in Form Block <= 1.8.1 versions.
severity: high
cvss: 7.1
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L'
cwe:
  - CWE-79
vendor: epiphyt
product: form-block
affected:
  - form-block >= n/a <= 1.8.1
published: '2026-10-06'
updated: '2026-10-06'
sourceUpdated: '2026-10-06T09:17:39.973'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-104814'
references:
  - url: >-
      https://patchstack.com/database/wordpress/plugin/form-block/vulnerability/wordpress-form-block-plugin-1-8-1-cross-site-scripting-xss-vulnerability?_s_id=cve
    label: audit@patchstack.com
tags:
  - nvd
  - cve.org
ingestedAt: '2026-10-06T08:50:17.464Z'
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-06T10:09:45.461345Z'
---

## Overview

Unauthenticated Cross Site Scripting (XSS) in Form Block <= 1.8.1 versions.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.