CVE-2026-2030
Stored XSS in WPBakery Page Builder Addons by Livemesh
Publication date: 2026-05-27
Last updated on: 2026-05-27
Assigner: Wordfence
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| livemesh | wpbakery_page_builder_addons | to 3.9.4 (inc) |
Helpful Resources
Exploitability
| 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?
The WPBakery Page Builder Addons by Livemesh plugin for WordPress has a Stored Cross-Site Scripting (XSS) vulnerability in all versions up to 3.9.4. This occurs because the plugin does not properly sanitize and escape input in the shortcode attributes `[lvca_carousel]` and `[lvca_posts_carousel]`. Specifically, it encodes shortcode attributes with `wp_json_encode()` but outputs them into single-quoted HTML attributes without using proper escaping functions like `esc_attr()`. This allows attackers to inject single quotes and break out of the attribute context, enabling them to insert arbitrary web scripts.
Authenticated users with Contributor-level access or higher can exploit this vulnerability to inject malicious scripts into pages, which will execute whenever other users access those pages.
How can this vulnerability impact me? :
This vulnerability can allow attackers with Contributor-level access or above to inject malicious scripts into WordPress pages. These scripts will execute in the browsers of users who visit the infected pages, potentially leading to theft of user credentials, session hijacking, defacement, or distribution of malware.
Because the vulnerability is a Stored Cross-Site Scripting issue, the malicious code persists on the server and affects all users who view the compromised content, increasing the risk and impact.