CVE-2025-5337
Slider, Gallery, and Carousel by MetaSlider <= 3.98.0 - Authenticated (Contributor+) Stored DOM-Based Cross-Site Scripting via aria-label Parameter
- State
- Published
- Severity
- 6.4 Medium
- Published
- Jun 14, 2025
- Updated
- Apr 8, 2026
- Reserved
- May 29, 2025
Description
The Slider, Gallery, and Carousel by MetaSlider plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘aria-label’ parameter in all versions up to, and including, 3.98.0 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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 6.4 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N | Wordfence |
Weaknesses
- CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Products
| Product | Versions |
|---|---|
Slider, Gallery, and Carousel by MetaSlider – Image Slider, Video Slidermetaslider |
|
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/0e6492e5-a506-4d77-96d2-08f700b6ee76?source=cve
- https://plugins.trac.wordpress.org/browser/ml-slider/tags/3.98.0/assets/metaslider/script.js#L11
- https://wordpress.org/plugins/ml-slider/#developers
- https://plugins.trac.wordpress.org/changeset/3309932/ml-slider/tags/3.99.0/assets/metaslider/script.js
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