CVE-2025-13889
Simple Nivo Slider <= 0.5.6 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode Attributes
CVSS Score
6.4
EPSS Score
0.0%
EPSS Percentile
0th
The Simple Nivo Slider plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'id' shortcode parameter in all versions up to, and including, 0.5.6 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.
| CWE | CWE-79 |
| Vendor | tmus |
| Product | simple nivo slider |
| Published | Dec 12, 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
tmus / Simple Nivo Slider
0 ≤ 0.5.6
References
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/0c1c343c-ef16-4468-a983-0dc9fd152dd5?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/simple-nivo-slider/tags/0.5.6/simple-nivo-slider.php#L208 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/simple-nivo-slider/trunk/simple-nivo-slider.php#L208
Credits
Peter Thaleikis