CVE-2023-6988: Colibri Page Builder <= 1.0.239 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode
The Colibri Page Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's extendbuilderrenderjs shortcode in all versions up to, and including, 1.0.239 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.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2023-6988?
CVE-2023-6988 is considered a high severity vulnerability due to its potential for Stored Cross-Site Scripting attacks.
How do I fix CVE-2023-6988?
To fix CVE-2023-6988, update the Colibri Page Builder plugin to the latest version above 1.0.239 which contains the necessary security patches.
What type of vulnerability is CVE-2023-6988?
CVE-2023-6988 is a Stored Cross-Site Scripting (XSS) vulnerability that affects the Colibri Page Builder plugin for WordPress.
Which versions of Colibri Page Builder are affected by CVE-2023-6988?
CVE-2023-6988 affects all versions of the Colibri Page Builder up to and including 1.0.239.
What causes the CVE-2023-6988 vulnerability?
The CVE-2023-6988 vulnerability is caused by insufficient input sanitization and output escaping on user supplied attributes in the extend_builder_render_js shortcode.