CVE-2026-4032
Stored XSS in WordPress CodeColorer Plugin Allows Script Injection
Publication date: 2026-04-16
Last updated on: 2026-04-16
Assigner: Wordfence
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| codecolorer | codecolorer | to 0.10.1 (inc) |
Helpful Resources
Exploitability
| 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?
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.
How can this vulnerability impact me? :
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.