Unauthenticated Cross Site Scripting Vulnerability in Quill Forms by WordPress
CVE-2026-28568

7.1HIGH

Key Information:

Vendor

WordPress
Status
Quill Forms
Vendor
CVE Published:
18 August 2026

What is CVE-2026-28568?

An unauthenticated Cross Site Scripting (XSS) vulnerability exists in Quill Forms versions 5.7.1 and earlier. This security flaw allows attackers to inject malicious scripts into the application, which can lead to unauthorized actions being performed on behalf of unsuspecting users. Website administrators using affected versions should promptly update to the latest release to mitigate potential exploitation and safeguard user data.

Affected Version(s)

Quill Forms <= 5.7.1

References

https://patchstack.com/database/wordpress/plugin/quillfor...
vdb-entry

CVSS V3.1

Score:
7.1
Severity:
HIGH
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

daroo | Patchstack Bug Bounty Program
.