CVE-2025-66090

MediumCVSS 6.5

Published: 21/11/2025(UTC)Updated: 18/10/2026(UTC)Translated: 19/10/2026(UTC)NVD NIST

Exploitation Probability (EPSS)

Low risk

0.15%

4th percentile - higher than 4% of all known CVEs

Summary

The SKT Skill Bar plugin for WordPress (versions up to 2.5) is vulnerable to DOM-Based XSS due to improper neutralization of input during web page generation. An attacker can inject malicious code that executes in a user's browser.

Risk Assessment

This can lead to session theft, administrator account takeover, or website content modification. The risk affects organizations using this plugin on WordPress sites.

Recommendation

Update the SKT Skill Bar plugin to the latest version (above 2.5) or disable it if an update is not available.

Other vulnerabilities in SKT Skill Bar

CVE-2026-6972Medium
The SKT Skill Bar plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the `chart_size` attribute of the `skillwrapper` shortcode in all versions up to and including 2.6 due to insufficient input sanitization and output escaping. The attribute is concatenated directly into an inline `<style>` block, allowing authenticated attackers with Contributor-level access and above to inject arbitrary web scripts.

Original NVD description (English source)

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in sonalsinha21 SKT Skill Bar skt-skill-bar allows DOM-Based XSS.This issue affects SKT Skill Bar: from n/a through <= 2.5.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS