CVE-2025-6726: Krasenslavov Block Editor Gallery Slider For WordPress – Image Slider, Gallery Carousel & Lightbox Plugin

Medium severity, CVSS 4.3. EPSS: 0.3% chance of exploitation in the next 30 days.

The Block Editor Gallery Slider plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the classic_gallery_slider_options() function in all versions up to, and including, 1.1.1. This makes it possible for authenticated attackers, with Subscriber-level access and above, to update limited post meta for arbitrary posts.

Affected products

• Krasenslavov Block Editor Gallery Slider For WordPress – Image Slider, Gallery Carousel & Lightbox Plugin: up to and including 1.1.1

Published 2025-07-18. Last modified 2026-06-17.