CSS & JavaScript Toolbox <= 11.8 - Authenticated (Contributor+) Stored Cross-Site Scripting via shortcode

2023-12-19 00:00

Ngô Thiên An (ancorn_)

Strategic Overview

Status

Patched in 11.9

Affected PluginCSS & JavaScript Toolbox

Affected Version<= 11.8

CVSS6.4Medium

CVECVE-2023-50823

View all CSS & JavaScript Toolbox vulnerabilities

Vulnerability Overview

The CSS & JavaScript Toolbox plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's shortcode(s) in all versions up to, and including, 11.8 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Technical Analysis

REMEDIATION: Update to version 11.9, 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-2023-50823 https://www.wordfence.com/threat-intel/vulnerabilities/id/ace85b25-251b-4549-8f6e-1a1494cbabb6

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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