WordPress security changelog
HIGH CVE-2025-8418 Deferred

B Slider- Gutenberg Slider Block for WP: Code execution

B Slider- Gutenberg Slider Block for WP is affected by code execution. Exploitation requires at least subscriber-level access. Successful exploitation can run attacker-controlled code in the WordPress hosting account.

CVE / CNA score 8.8 CVSS 3.1 · security@wordfence.com
NVD score Pending NVD has not published its own CVSS assessment.
Component
B Slider- Gutenberg Slider Block for WP
Plugin slug
b-slider
Affected
See vendor advisory
Safe version
See mitigation notes
Published
Aug 12, 2025
Weakness
CWE-862 — Missing Authorization

This CVE was published Aug 12, 2025 and is one of 6 known issues for this plugin.

Update, patch or deactivate.

Update B Slider- Gutenberg Slider Block for WP to a release outside the affected range, or disable and remove it until a fixed version is available.

No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Technical description

The B Slider- Gutenberg Slider Block for WP plugin for WordPress is vulnerable to Arbitrary Plugin Installation in all versions up to, and including, 1.1.30. This is due to missing capability checks on the activated_plugin function. This makes it possible for authenticated attackers, with subscriber-level access and above, to install arbitrary plugins on the server which can make remote code execution possible.

CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary and upstream sources