The WPBakery Page Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'rev_slider_vc' shortcode in all versions up to, and including, 8.6 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This is only exploitable when RevSlider is also installed.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Js Composer Plugin | — | Update js-composer plugin to version 8.7, or a newer patched version | Oct 21, 2025 | Oct 17, 2025 |
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