Stored Cross-Site Scripting Vulnerability in Formidable Kinetic Plugin for WordPress
CVE-2026-8871

6.4MEDIUM

Key Information:

Vendor

WordPress
Status
Formidable Kinetic
Vendor
CVE Published:
27 May 2026

What is CVE-2026-8871?

The Formidable Kinetic plugin for WordPress is susceptible to a stored cross-site scripting vulnerability due to inadequate input sanitization and output escaping on specific user-supplied attributes in the 'kinetic_link' shortcode. Attackers with contributor-level access can exploit this weakness to inject and execute arbitrary web scripts within page contexts, impacting all users who visit the affected pages. Proper validation mechanisms are essential to mitigate these security risks.

Affected Version(s)

Formidable Kinetic 0 <= 1.1.01

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/formidable-kin...
https://plugins.trac.wordpress.org/browser/formidable-kin...

CVSS V3.1

Score:
6.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Muhammad Yudha - DJ
.