The plugin does not escape its Image URL button setting, which could lead allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.
Add the following payload in the Universal Button > Image URL settings: " onerror=alert(/XSS/) " The XSS will be triggered in all frontend posts
CPE | Name | Operator | Version |
---|---|---|---|
add-to-any | lt | 1.7.48 |