🔐 CVE Alert

CVE-2025-5291

MEDIUM 6.4

Master Slider <= 3.10.8 - Authenticated (Contributor+) Stored Cross-Site Scripting via masterslider_pb and ms_slide Shortcodes

CVSS Score
6.4
EPSS Score
0.0%
EPSS Percentile
0th

The Master Slider – Responsive Touch Slider plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's masterslider_pb and ms_slide shortcodes in all versions up to, and including, 3.10.8 due to insufficient input sanitization and output escaping on user supplied attributes. 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.

CWE CWE-79
Vendor averta
Product master slider – responsive touch slider
Published Jun 17, 2025
Last Updated Apr 8, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability

Affected Versions

averta / Master Slider – Responsive Touch Slider
0 ≤ 3.10.8

References

NVD ↗ CVE.org ↗ EPSS Data ↗
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/ce37fbd2-8d41-4feb-adf6-7ca0ca54e27a?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/master-slider/tags/3.10.8/includes/msp-shortcodes.php#L28 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/master-slider/tags/3.10.8/includes/msp-shortcodes.php#L633 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/master-slider/tags/3.10.8/includes/msp-shortcodes.php#L763 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/master-slider/tags/3.10.8/includes/msp-shortcodes.php#L783 wordpress.org: https://wordpress.org/plugins/master-slider/#description plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset/3309620/

Credits

Muhammad Yudha - DJ