CVE-2025-8897
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-08-28

Last updated on: 2025-12-11

Assigner: Wordfence

Description
The Beaver Builder – WordPress Page Builder plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the β€˜'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.
CVSS Scores
EPSS Scores
Probability:
Percentile:
Meta Information
Published
2025-08-28
Last Modified
2025-12-11
Generated
2026-05-06
AI Q&A
2025-08-28
EPSS Evaluated
2026-05-05
NVD
EUVD
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
fastlinemedia beaver_builder to 2.9.2.1 (inc)
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?

This vulnerability is a Reflected Cross-Site Scripting (XSS) issue in the Beaver Builder WordPress plugin. It occurs because the plugin does not properly sanitize and escape input from the 'fl_builder' parameter. An attacker can exploit this by crafting a malicious link that, when clicked by a user, causes arbitrary scripts to run in the user's browser, potentially leading to unauthorized actions or data exposure.


How can this vulnerability impact me? :

This vulnerability can impact you by allowing attackers to execute arbitrary scripts in the context of your website users' browsers. This can lead to theft of sensitive information, session hijacking, defacement of the website, or performing actions on behalf of the user without their consent. Since the attack requires user interaction (clicking a malicious link), it can be used in phishing or social engineering attacks.


How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:

This vulnerability can negatively affect compliance with standards like GDPR and HIPAA because it may lead to unauthorized access or exposure of personal or sensitive data through cross-site scripting attacks. Organizations are required to protect user data and ensure secure applications; failure to address such vulnerabilities could result in non-compliance and potential legal or regulatory consequences.


What immediate steps should I take to mitigate this vulnerability?

To mitigate this vulnerability, update the Beaver Builder – WordPress Page Builder plugin to a version that includes the security fix, such as the one that applies the esc_url() function to sanitize URLs in the iframe src attribute. This prevents reflected cross-site scripting by ensuring proper escaping of user-controllable input. If an update is not immediately available, consider disabling or restricting access to the vulnerable plugin functionality to prevent exploitation. [1]


Ask Our AI Assistant
Need more information? Ask your question to get an AI reply (Powered by our expertise)
0/70
EPSS Chart