MetaSlider Slideshow 3.111.1: Sanitization, Fatal Error, and Single-Slide Fixes

MetaSlider Slideshow 3.111.1 is a maintenance release focused on safer settings handling, stability, and a small front-end polish fix.

Site owners should update to get improved slideshow setting sanitization, a fix for an HTMLPurifier-related fatal error, and cleaner controls when a slideshow contains only one slide.

What’s fixed in this release

• Improved settings sanitization: Slideshow settings are now sanitized more consistently, including a fix for an XSS issue in the delay post meta setting.
• Better permission handling: Slideshow creation now uses more appropriate WordPress capabilities for the slideshow custom post type.
• HTMLPurifier fatal error fix: The plugin now checks for the required HTMLPurifier class before using it, preventing a fatal error in affected environments.
• Cleaner single-slide display: Pause and play controls are no longer shown when a slideshow has only one slide. This is a small but useful usability improvement: if there is nothing to pause or advance through, visitors will no longer see controls that do not serve a purpose.

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For developers

• Sass tooling update: The build process has moved from the deprecated node-sass package to the modern sass npm package.
• Development workflow refresh: The project has migrated to the newer shared development workspace and GitHub workflow setup.