CVE-2025-50023
Awaiting Analysis Awaiting Analysis - Queue
BaseFortify

Publication date: 2025-06-20

Last updated on: 2026-04-23

Assigner: Patchstack

Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Chris Coyier CodePen Embed Block codepen-embed-block allows Stored XSS.This issue affects CodePen Embed Block: from n/a through <= 1.2.0.
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Meta Information
Published
2025-06-20
Last Modified
2026-04-23
Generated
2026-05-07
AI Q&A
2025-06-20
EPSS Evaluated
2026-05-05
NVD
EUVD
Affected Vendors & Products
Currently, no data is known.
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 Powered Q&A
Can you explain this vulnerability to me?

This vulnerability is a Stored Cross-site Scripting (XSS) issue in the WordPress CodePen Embed Block plugin up to version 1.1.1. It allows a malicious administrator to inject malicious scripts, such as redirects or advertisements, into a website. These scripts execute when visitors access the site, potentially compromising user interactions. [1]


How can this vulnerability impact me? :

If exploited, this vulnerability can allow an attacker with administrator privileges to inject malicious scripts into your website. These scripts can execute in visitors' browsers, leading to unwanted redirects, displaying unauthorized advertisements, or other harmful actions that compromise the integrity and user experience of your site. [1]


How can this vulnerability be detected on my network or system? Can you suggest some commands?

Detection of this vulnerability involves monitoring for malicious script injections by users with administrator privileges. Since the vulnerability allows stored Cross-Site Scripting (XSS), scanning for unusual or unauthorized script tags in the website content or database entries related to the CodePen Embed Block plugin is recommended. Professional incident response or server-side malware scanning is advised, as plugin-based malware scanners may be unreliable. Specific commands are not provided in the available resources. [1]


What immediate steps should I take to mitigate this vulnerability?

Immediate mitigation steps include applying virtual patching (vPatching) offered by Patchstack, which auto-mitigates the vulnerability without requiring an official patch and without performance loss. Additionally, monitoring for suspicious activity and seeking professional incident response if compromise is suspected are recommended. Since no official fix or patched version is currently available, virtual patching is the primary recommended mitigation. [1]


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