Quill Forms <= 5.7.1 - Unauthenticated Stored Cross-Site Scripting

7.2
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE CVE-2026-75091
CVSS 7.2 (High)
Publicly Published August 14, 2026
Last Updated August 18, 2026
Researcher daroo

Description

The Quill Forms | Conversational Multi Step Forms, Surveys & quizzes plugin for WordPress is vulnerable to Stored Cross-Site Scripting in all versions up to, and including, 5.7.1 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Learn more about Cross-Site Scripting vulnerabilities and how to prevent them.

References

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Vulnerability Details for Quill Forms | Conversational Multi Step Forms, Surveys & quizzes

Software Type Plugin
Software Slug quillforms (view on wordpress.org)
Patched? No
Remediation No known patch available. Please review the vulnerability's details in depth and employ mitigations based on your organization's risk tolerance. It may be best to uninstall the affected software and find a replacement.
Affected Version
  • <= 5.7.1

Recent vulnerabilities in Quill Forms | Conversational Multi Step Forms, Surveys & quizzes

# Title CVE ID CVSS Researchers Date
1 Quill Forms | Conversational Multi Step Forms, Surveys & quizzes <= 5.7.1 - Unauthenticated Stored Cross-Site Scripting CVE-2026-28568 7.2 daroo August 14, 2026
2 Quill Forms | The Best Typeform Alternative | Create Conversational Multi Step Form, Survey, Quiz, Cost Estimation or Donation Form on WordPress <= 3.10.0 - Authenticated (Contributor+) Stored Cross-Site Scripting CVE-2024-11826 6.4 theviper17y January 6, 2025
3 Quill Forms <= 3.7.0 - Authenticated (Contributor+) Stored Cross-Site Scripting CVE-2024-47393 6.4 LVT-tholv2k September 30, 2024
4 Quill Forms <= 3.3.0 - Missing Authorization CVE-2023-46610 5.4 Abdi Pranata October 24, 2023
5 Quill Forms <= 3.3.0 - Cross-Site Request Forgery CVE-2023-46610 5.4 Abdi Pranata October 24, 2023

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