CVE-2023-1473: Metaslider Slider, Gallery, And Carousel

Medium severity, CVSS 6.1. EPSS: 0.5% chance of exploitation in the next 30 days.

The Slider, Gallery, and Carousel by MetaSlider WordPress plugin 3.29.0 does not sanitise and escape a parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin

Affected products

• Metaslider Slider, Gallery, And Carousel: before 3.29.1 (fixed in 3.29.1)

Published 2023-04-17. Last modified 2026-06-17.