Otter Blocks – Gutenberg Blocks, Page Builder for Gutenberg Editor & FSE <= 2.6.8 - Authenticated (Author+) Limited File Upload to Stored Cross-Site Scripting

2024-04-10 00:00

João Pedro Soares de Alcântara

Strategic Overview

Status

Patched in 2.6.9

Affected PluginOtter Blocks – Gutenberg Blocks, Page Builder for Gutenberg Editor & FSE

Affected Version<= 2.6.8

CVSS6.4Medium

CVECVE-2024-3344

View all Otter Blocks – Gutenberg Blocks, Page Builder for Gutenberg Editor & FSE vulnerabilities

Vulnerability Overview

The Otter Blocks – Gutenberg Blocks, Page Builder for Gutenberg Editor & FSE plugin for WordPress is vulnerable to Stored Cross-Site Scripting via SVG file upload in all versions up to, and including, 2.6.8 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Technical Analysis

REMEDIATION: Update to version 2.6.9, or a newer patched version --- IDENTIFIER: CWE-434 (Unrestricted Upload of File with Dangerous Type) The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.

External References

https://www.cve.org/CVERecord?id=CVE-2024-3344 https://www.wordfence.com/threat-intel/vulnerabilities/id/db836f4b-d31f-4442-89a5-1a400525c598

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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