Vulnerability · Published Jun 14, 2025 · Assigned by Wordfence
CVE-2025-5337Slider, Gallery, and Carousel by MetaSlider <= 3.98.0 - Authenticated (Contributor+) Stored DOM-Based Cross-Site Scripting via aria-label Parameter
Medium 6.4
In plain English
A medium-severity cross-site scripting in Slider, Gallery, and Carousel by MetaSlider – Image Slider, Video Slider from metaslider. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 19% of all known vulnerabilities).
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| metaslider | Slider, Gallery, and Carousel by MetaSlider – Image Slider, Video Slider | 0 – through 3.98.0 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
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