CVE-2026-15649

EUVD-2026-51764

01.08.2026, 09:16

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.

Cross-site Scripting

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
NIST	Primary	6.4 MEDIUM	NETWORK	LOW	LOW	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Awaiting analysis

This vulnerability is currently awaiting analysis.

Base Score

CVSS 3.x

EPSS Score

Percentile: 10%

Common Weakness Enumeration

CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
The software does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

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