Fluent Forms Pro Add On Pack < 6.2.12 - Unauthenticated Stored Cross-Site Scripting

7.2
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE CVE-2026-66633
CVSS 7.2 (High)
Publicly Published August 18, 2026
Last Updated August 24, 2026
Researcher daroo

Description

The Fluent Forms Pro Add On Pack plugin for WordPress is vulnerable to Stored Cross-Site Scripting in all versions up to 6.2.12. This is 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.

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Vulnerability Details for Fluent Forms Pro Add On Pack

Software Type Plugin
Software Slug fluentformpro
Patched? Yes
Remediation Update to version 6.2.12, or a newer patched version
Affected Version
  • < 6.2.12
Patched Version
  • 6.2.12

Recent vulnerabilities in Fluent Forms Pro Add On Pack

# Title CVE ID CVSS Researchers Date
1 Fluent Forms Pro Add On Pack <= 6.2.12 - Missing Authorization CVE-2026-81296 5.3 Ananda Dhakal August 28, 2026
2 Fluent Forms Pro Add On Pack <= 6.2.12 - Authenticated (Subscriber+) Privilege Escalation CVE-2026-81297 6.3 Ananda Dhakal August 28, 2026
3 Fluent Forms Pro 6.2.7 & Ninja Tables Pro 5.2.13 - Remote Code Execution via Backdoor CVE-2026-73532 9.8 August 3, 2026
4 Fluent Forms Pro Add On Pack <= 6.2.6 - Authenticated (Subscriber+) PHP Object Injection to Arbitrary User Password Change via User Meta Field CVE-2026-15962 8.8 daroo July 25, 2026
5 Fluent Forms Pro Add On Pack <= 6.1.17 - Missing Authorization to Unauthenticated Arbitrary Attachment Deletion CVE-2026-2899 6.5 Prickly Cactus March 4, 2026
6 Fluent Forms Pro <= 6.1.17 - Unauthenticated Stored Cross-Site Scripting via Draft Form Submission CVE-2026-2365 7.2 Prickly Cactus March 4, 2026
7 Fluent Forms Pro Add On Pack <= 6.1.17 - Missing Authorization to Unauthenticated Payment Status modification CVE-2026-2428 7.5 Prickly Cactus February 26, 2026
8 Fluent Forms Pro Add On Pack <= 6.1.12 - Authenticated (Subscriber+) Server-Side Request Forgery via 'saveDataSource' CVE-2026-0632 5.4 andrea bocchetti February 8, 2026

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