CVE-2025-6726
Block Editor Gallery Slider <= 1.1.1 - Missing Authorization to Authenticated (Subscriber+) Limited Post Meta Update
CVSS Score
4.3
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-862 |
| Vendor | krasenslavov |
| Product | block editor gallery slider for wordpress – image slider, gallery carousel & lightbox plugin |
| Published | Jul 18, 2025 |
| Last Updated | Apr 8, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
krasenslavov / Block Editor Gallery Slider for WordPress – Image Slider, Gallery Carousel & Lightbox Plugin
0 ≤ 1.1.1
References
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/770b0401-4d05-476e-a2b1-e9e9c920f5fa?source=cve wordpress.org: https://wordpress.org/plugins/block-editor-gallery-slider/ plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3331844%40block-editor-gallery-slider&new=3331844%40block-editor-gallery-slider&sfp_email=&sfph_mail=
Credits
Phong Nguyen