CVE-2026-4032
Received Received - Intake
Stored XSS in WordPress CodeColorer Plugin Allows Script Injection

Publication date: 2026-04-16

Last updated on: 2026-04-16

Assigner: Wordfence

Description
The CodeColorer plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'class' parameter in 'cc' comment shortcode in versions up to, and including, 0.10.1 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. Exploitation requires comments to be enabled on the target post and guest comments to be allowed.
CVSS Scores
EPSS Scores
Probability:
Percentile:
Meta Information
Published
2026-04-16
Last Modified
2026-04-16
Generated
2026-06-16
AI Q&A
2026-04-16
EPSS Evaluated
2026-06-14
NVD
CVE-2026-4032
EUVD
EUVD-2026-23170
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
codecolorer codecolorer to 0.10.1 (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 Quick Actions
Instant insights powered by AI
Executive Summary

The CodeColorer plugin for WordPress has a Stored Cross-Site Scripting (XSS) vulnerability in the 'class' parameter of the 'cc' comment shortcode in versions up to and including 0.10.1.

This vulnerability exists because the plugin does not properly sanitize input or escape output, allowing attackers to inject malicious scripts.

When exploited, these scripts execute whenever a user views a page containing the injected comment.

Exploitation requires that comments are enabled on the targeted post and that guest comments are allowed.

Impact Analysis

This vulnerability allows unauthenticated attackers to inject arbitrary web scripts into pages viewed by users.

Such scripts can execute in the context of the victim's browser, potentially leading to theft of user credentials, session hijacking, or other malicious actions.

Because the vulnerability is stored, the malicious script persists and affects all users who access the compromised page.

Chat Assistant
Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-4032. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70
EPSS Chart