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.
CVE-2025-5337 is a medium severity with CVSS 6.4 Stored Cross-Site Scripting issue affecting the Plugin Slider, Gallery, and Carousel by MetaSlider – Image Slider, Video Slider. It affects Versions up to 3.98.0 and is fixed in 3.99.0.
CVE-2025-5337 is tracked for the Plugin Slider, Gallery, and Carousel by MetaSlider – Image Slider, Video Slider as medium severity with CVSS 6.4. The affected range is Versions up to 3.98.0. Update Slider, Gallery, and Carousel by MetaSlider – Image Slider, Video Slider to 3.99.0 or newer where that version is compatible with the site.
| Software Type | Plugin |
|---|---|
| Software Slug |
ml-slider
View on wordpress.org
|
| CVE | CVE-2025-5337 |
| Patched Versions |
3.99.0
|
| Affected Versions |
Versions up to 3.98.0
|
These internal links group the same WordPress plugin by CVE, issue type, severity, and patch status so operators and search engines can connect the full vulnerability cluster.
Slider, Gallery, and Carousel by MetaSlider – Image Slider, Video Slider <= 3.94.0 - Authenticated (Editor+) PHP Object Injection
Slider, Gallery, and Carousel by MetaSlider – Responsive WordPress Slideshows <= 3.70.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via metaslider Shortcode
Slider, Gallery, and Carousel by MetaSlider <= 3.29.0 - Reflected Cross-Site Scripting
Slider, Gallery, and Carousel by MetaSlider – Responsive WordPress Plugin <= 2.5 - Cross-Site Scripting
Slider, Gallery, and Carousel by MetaSlider – Responsive WordPress Plugin <= 3.27.8 - Authenticated (Administrator+) Stored Cross-Site Scripting
Slider, Gallery, and Carousel by MetaSlider – Image Slider, Video Slider <= 3.94.0 - Authenticated (Admin+) Stored Cross-Site Scripting
Slider, Gallery, and Carousel by MetaSlider – Image Slider, Video Slider <= 3.94.0 - Authenticated (Admin+) Stored Cross-Site Scripting
Slider, Gallery, and Carousel by MetaSlider – Image Slider, Video Slider <= 3.92.0 - Cross-Site Request Forgery
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