CVE-2024-2839 Colibri Page Builder <= 1.0.263 - Authenticated (Contributor+) Stored Cross-Site Scripting
Authenticated attackers can inject arbitrary scripts via the colibri_post_title shortcode, leading to stored XSS execution on victim pages.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-2839?
CVE-2024-2839 is a medium-severity cross-site scripting vulnerability in extendthemes Colibri Page Builder, published on 2 Apr 2024. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The Colibri Page Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'colibri_post_title' shortcode in all versions up to, and including, 1.0.263 due to insufficient input sanitization and output escaping on user supplied attributes such as 'heading_type'. 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.
Weakness: CWE-79
Which versions are affected by CVE-2024-2839?
It affects 1 product.
Products include Extendthemes Colibri Page Builder.
How do I fix CVE-2024-2839?
No fix has been published for CVE-2024-2839 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2024-2839 being exploited?
There is no known exploitation of CVE-2024-2839 in the wild and no public exploit code.
Other vulnerabilities in extendthemes Colibri Page Builder
- CVE-2023-2188 Colibri Page Builder <= 1.0.227 - Authenticated (Administrator+) SQL Injection via post_id
- CVE-2025-32185 WordPress Colibri Page Builder plugin <= 1.0.329 - Cross Site Scripting (XSS) vulnerability
- CVE-2023-50833 WordPress Colibri Page Builder Plugin <= 1.0.239 is vulnerable to Cross Site Scripting (XSS)
- CVE-2024-4451 Cross-site scripting in Colibri Page Builder
- CVE-2024-5038 Colibri Page Builder <= 1.0.276 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode
Sources
Also known as GHSA-pm9h-cgmx-g7vq.