Stored Cross-Site Scripting in Quill Forms Plugin for WordPress
CVE-2026-75091

7.2HIGH

Key Information:

Vendor

WordPress
Status
Quill Forms | Conversational Multi Step Forms, Surveys & Quizzes
Vendor
CVE Published:
18 August 2026

What is CVE-2026-75091?

The Quill Forms plugin for WordPress has a vulnerability that allows unauthenticated attackers to execute malicious scripts via Stored Cross-Site Scripting (XSS). This occurs in all versions up to 5.7.1 due to insufficient input sanitization and output escaping, enabling attackers to inject arbitrary web scripts into pages that will execute when accessed by users.

Affected Version(s)

Quill Forms | Conversational Multi Step Forms, Surveys & quizzes 0 <= 5.7.1

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://patchstack.com/database/wordpress/plugin/quillfor...

CVSS V3.1

Score:
7.2
Severity:
HIGH
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

daroo
.