Description
The Welcart e-Commerce plugin for WordPress is vulnerable to Stored Cross-Site Scripting via settings in all versions up to, and including, 2.11.20 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with editor-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.
Problem types
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Product status
* (semver)
Timeline
| 2025-08-25: | Vendor Notified |
| 2025-09-09: | Disclosed |
Credits
Miguel Santareno
References
www.wordfence.com/...-443d-481f-b23f-7a93938dd866?source=cve
wordpress.org/plugins/usc-e-shop/
plugins.trac.wordpress.org/...unk/classes/usceshop.class.php