CVE-2026-15644: Powerkit <= 3.1.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'style' Shortcode Attribute
The Powerkit – Supercharge your WordPress Site plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'style' Shortcode Attribute in all versions up to, and including, 3.1.0 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-15644?
CVE-2026-15644 has a medium severity score of 6.4.
How do I fix CVE-2026-15644?
To fix CVE-2026-15644, update the Powerkit plugin to version 3.1.1 or later.
What type of vulnerability is CVE-2026-15644?
CVE-2026-15644 is a Stored Cross-Site Scripting (XSS) vulnerability.
Who can exploit CVE-2026-15644?
CVE-2026-15644 can be exploited by authenticated users with Contributor+ roles.
What is the impact of CVE-2026-15644?
CVE-2026-15644 allows attackers to inject malicious scripts via the 'style' shortcode attribute.