What’s Vulnerable › Vulnerabilities

CVE-2026-15649: Powerkit <= 3.1.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode Attributes

• Severity: medium (CVSS 6.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-01 · updated 2026-08-12
• Weakness: CWE-79

Description

The Powerkit – Supercharge your WordPress Site plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Shortcode Attributes 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 products

• codesupplyco Powerkit – Supercharge your WordPress Site: through 3.1.0

References

• https://plugins.trac.wordpress.org/browser/powerkit/tags/3.0.9/modules/basic-elements/public/class-powerkit-basic-elements-public.php#L83
• https://plugins.trac.wordpress.org/browser/powerkit/tags/3.0.9/modules/basic-elements/templates/progressbars.php#L109
• https://plugins.trac.wordpress.org/browser/powerkit/tags/3.1.0/modules/basic-elements/public/class-powerkit-basic-elements-public.php#L83
• https://plugins.trac.wordpress.org/browser/powerkit/tags/3.1.0/modules/basic-elements/templates/progressbars.php#L109
• https://plugins.trac.wordpress.org/changeset/3629599/powerkit
• https://www.wordfence.com/threat-intel/vulnerabilities/id/f86c6ada-112b-4b1f-b1ac-7dd4920953c8?source=cve

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