B Slider- Gutenberg Slider Block for WP <= 1.1.30 - Authenticated (Subscriber+) Missing Authorization to Arbitrary Plugin Installation

2025-08-11 00:00

wesley (wcraft)

Strategic Overview

Status

Patched in 2.0.0

Affected PluginbSlider – Create Responsive Image, Post, Product, and Video Sliders

Affected Version<= 1.1.30

CVSS8.8High

CVECVE-2025-8418

View all bSlider – Create Responsive Image, Post, Product, and Video Sliders vulnerabilities

Vulnerability Overview

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.

Technical Analysis

REMEDIATION: Update to version 2.0.0, or a newer patched version --- IDENTIFIER: CWE-862 (Missing Authorization) The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

External References

https://www.cve.org/CVERecord?id=CVE-2025-8418 https://www.wordfence.com/threat-intel/vulnerabilities/id/deffd646-5117-4086-bf4b-8a17ffdaad8b

CVSS Vector

8.8

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

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

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