CVE-2025-8897

MEDIUM

Beaver Builder < 2.9.2.1 - Unauthenticated Reflected Cross-Site Scripting via fl_builder Parameter

Title source: llm
STIX 2.1

Description

The Beaver Builder – WordPress Page Builder plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the ‘'fl_builder' parameter in all versions up to, and including, 2.9.2.1 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

References (2)

Core 2

Scores

CVSS v3 6.1
EPSS 0.0021
EPSS Percentile 10.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (2)
beaverbuilder/Beaver Builder Page Builder – Drag and Drop Website Builder < 2.9.2.1
fastlinemedia/beaver_builder < 2.9.2.1
Published Aug 28, 2025
Tracked Since Feb 18, 2026