WordPress Plugin Vulnerabilities

Fluent Forms < 6.2.2 - Contributor+ Stored XSS via 'permission_message' Shortcode Attribute

Description

The plugin is vulnerable to Stored Cross-Site Scripting via the `permission_message` shortcode attribute due to insufficient input sanitization and output escaping, allowing authenticated attackers with Contributor-level access and above to inject arbitrary web scripts that execute whenever a user accesses an injected page.

Affects Plugins

Plugin icon
fluentform
Fixed in 6.2.2

References

CVE
CVE-2026-6828
URL
https://www.wordfence.com/threat-intel/vulnerabilities/id/ce2d2594-e856-4249-9467-01c0fe1c0c71

Classification

Type
XSS
OWASP top 10
A7: Cross-Site Scripting (XSS)
CWE
CWE-79
CVSS
5.5 (Medium)

Miscellaneous

Original Researcher
zaim
Verified
No
WPVDB ID
9621010d-b8e3-4466-a51e-4d90d982602f

Timeline

Publicly Published
2026-05-12 (about 3 months ago)
Added
2026-05-13 (about 3 months ago)
Last Updated
2026-05-13 (about 3 months ago)

Other

Published
Title
Published
2025-10-31
Title
Groundhogg < 4.2.6.1 - Authenticated (Contributor+) Stored Cross-Site Scripting
Published
2023-10-29
Title
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Published
2025-09-22
Title
Custom iFrame for Elementor < 1.0.14 - Authenticated (Contributor+) Stored Cross-Site Scripting
Published
2024-03-26
Title
BEAR – Bulk Editor and Products Manager Professional for WooCommerce by Pluginus.Net < 1.1.4.3 - Reflected Cross-Site Scripting
Published
2024-12-17
Title
Contests by Rewards Fuel < 2.0.66 - Authenticated (Contributor+) Stored Cross-Site Scripting