CVE-2025-6726

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.

Score

CVSS 3.1 4.3 Medium

Status

Deferred - security@wordfence.com

Published

2025-07-18

Last modified

2026-04-08

Weaknesses

CWE-862

Affected products

• Block Editor Gallery Slider For Wordpress Image Slider (Krasenslavov)
• Gallery Carousel Lightbox Plugin (Krasenslavov)

References

• https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3331844%40block-editor-gallery-slider&…
• https://wordpress.org/plugins/block-editor-gallery-slider/
• https://www.wordfence.com/threat-intel/vulnerabilities/id/770b0401-4d05-476e-a2b1-e9e9c920f5fa?source=cve