Vulnerability CVE-2023-4283
Published: 2023-08-10

Description:
The EmbedPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'embedpress_calendar' shortcode in versions up to, and including, 3.8.2 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.

Type:

CWE-79

 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'))

 References:
https://plugins.trac.wordpress.org/changeset/2950211/embedpress#file18
https://www.wordfence.com/threat-intel/vulnerabilities/id/b340eda1-e9d2-40b6-89f9-41d995ce3555?source=cve
https://plugins.trac.wordpress.org/browser/embedpress/tags/3.8.2/EmbedPress/ThirdParty/Googlecalendar/Embedpress_Google_Helper.php#L522
Copyright 2026, cxsecurity.com

 

Back to Top