Cross Site Scripting Vulnerability in Fluent Forms Pro Add On Pack by WordPress
CVE-2026-66633

7.1HIGH

Key Information:

Vendor

WordPress
Status
Fluent Forms Pro Add On Pack
Vendor
CVE Published:
18 August 2026

What is CVE-2026-66633?

The Fluent Forms Pro Add On Pack version prior to 6.2.12 contains a vulnerability allowing unauthenticated attackers to inject malicious scripts. This XSS vulnerability can be exploited to execute arbitrary JavaScript in the context of the user's browser, potentially leading to data theft, session hijacking, or other malicious actions. Users of affected versions should upgrade to the latest version to mitigate this risk.

Affected Version(s)

Fluent Forms Pro Add On Pack < 6.2.12

References

https://patchstack.com/database/wordpress/plugin/fluentfo...
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
.