---
id: CVE-2026-75107
title: >-
  Grav Form Plugin before 9.1.19 fails to escape field-definition properties
  including prepend, append, spacer text, section text, and select option labels
  in form templates
summary: >-
  Grav Form Plugin before 9.1.19 fails to escape field-definition properties
  including prepend, append, spacer text, section text, and select option labels
  in form templates. Attackers with form authoring privileges can inject
  arbitrary HT…
severity: medium
cvss: 5.4
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N'
cwe:
  - CWE-79
published: '2026-08-18'
updated: '2026-09-08'
sourceUpdated: '2026-09-08T20:32:39.347'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-75107'
references:
  - url: 'https://github.com/getgrav/grav/security/advisories/GHSA-5jrr-wfgh-mhg9'
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/grav-form-plugin-before-stored-xss-via-field-properties
    label: disclosure@vulncheck.com
  - url: 'https://github.com/getgrav/grav/security/advisories/GHSA-5jrr-wfgh-mhg9'
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
tags:
  - nvd
  - cve.org
  - exploit-available
epss: 0.00235
epssPercentile: 0.12869
ingestedAt: '2026-09-08T21:11:12.279Z'
vendor: getgrav
product: grav
affected:
  - grav < 9.1.19
exploitAvailable: true
ssvc:
  exploitation: poc
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-08-18T14:14:16.122505Z'
---

## Overview

Grav Form Plugin before 9.1.19 fails to escape field-definition properties including prepend, append, spacer text, section text, and select option labels in form templates. Attackers with form authoring privileges can inject arbitrary HTML and JavaScript that executes for all form visitors through unescaped |raw filters and unquoted attributes.

## Remediation

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