Beaver Builder – WordPress Page Builder <= 2.5.5.2 - Authenticated Stored Cross-Site Scripting via 'caption'

2022-08-29 00:00

Zhouyuan Yang

Strategic Overview

Status

Patched in 2.5.5.3

Affected PluginBeaver Builder Page Builder – Drag and Drop Website Builder

Affected Version<= 2.5.5.2

CVSS6.4Medium

CVECVE-2022-2695

View all Beaver Builder Page Builder – Drag and Drop Website Builder vulnerabilities

Vulnerability Overview

The Beaver Builder – WordPress Page Builder for WordPress is vulnerable to Stored Cross-Site Scripting via the 'caption' parameter added to images via the media uploader in versions up to, and including, 2.5.5.2 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers with access to the Beaver Builder editor and the ability to upload media files to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Technical Analysis

REMEDIATION: Update to version 2.5.5.3, or a newer patched version --- IDENTIFIER: CWE-79 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) 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.

External References

https://www.cve.org/CVERecord?id=CVE-2022-2695 https://www.wordfence.com/threat-intel/vulnerabilities/id/afbf1813-9023-4e3d-989a-19ddd6f6d358

CVSS Vector

6.4

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

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeChanged
ConfidentialityLow
IntegrityLow
AvailabilityNone

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